20174909080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{39799}}^1$

素因数の和:39881

約数の個数: 128

約数和(自身を含む): 51580800000

約数和(自身を除く): 31405890920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 29, 38, 40, 46, 58, 76, 92, 95, 115, 116, 145, 152, 184, 190, 230, 232, 290, 380, 437, 460, 551, 580, 667, 760, 874, 920, 1102, 1160, 1334, 1748, 2185, 2204, 2668, 2755, 3335, 3496, 4370, 4408, 5336, 5510, 6670, 8740, 11020, 12673, 13340, 17480, 22040, 25346, 26680, 39799, 50692, 63365, 79598, 101384, 126730, 159196, 198995, 253460, 318392, 397990, 506920, 756181, 795980, 915377, 1154171, 1512362, 1591960, 1830754, 2308342, 3024724, 3661508, 3780905, 4576885, 4616684, 5770855, 6049448, 7323016, 7561810, 9153770, 9233368, 11541710, 15123620, 17392163, 18307540, 21929249, 23083420, 26545933, 30247240, 34784326, 36615080, 43858498, 46166840, 53091866, 69568652, 86960815, 87716996, 106183732, 109646245, 132729665, 139137304, 173921630, 175433992, 212367464, 219292490, 265459330, 347843260, 438584980, 504372727, 530918660, 695686520, 877169960, 1008745454, 1061837320, 2017490908, 2521863635, 4034981816, 5043727270, 10087454540, 20174909080]

約数ペア:

[(1, 20174909080), (2, 10087454540), (4, 5043727270), (5, 4034981816), (8, 2521863635), (10, 2017490908), (19, 1061837320), (20, 1008745454), (23, 877169960), (29, 695686520), (38, 530918660), (40, 504372727), (46, 438584980), (58, 347843260), (76, 265459330), (92, 219292490), (95, 212367464), (115, 175433992), (116, 173921630), (145, 139137304), (152, 132729665), (184, 109646245), (190, 106183732), (230, 87716996), (232, 86960815), (290, 69568652), (380, 53091866), (437, 46166840), (460, 43858498), (551, 36615080), (580, 34784326), (667, 30247240), (760, 26545933), (874, 23083420), (920, 21929249), (1102, 18307540), (1160, 17392163), (1334, 15123620), (1748, 11541710), (2185, 9233368), (2204, 9153770), (2668, 7561810), (2755, 7323016), (3335, 6049448), (3496, 5770855), (4370, 4616684), (4408, 4576885), (5336, 3780905), (5510, 3661508), (6670, 3024724), (8740, 2308342), (11020, 1830754), (12673, 1591960), (13340, 1512362), (17480, 1154171), (22040, 915377), (25346, 795980), (26680, 756181), (39799, 506920), (50692, 397990), (63365, 318392), (79598, 253460), (101384, 198995), (126730, 159196)]