20166809440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{29251}}^1$

素因数の和:29436

約数の個数: 96

約数和(自身を含む): 49536506880

約数和(自身を除く): 29369697440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 139, 155, 160, 248, 278, 310, 496, 556, 620, 695, 992, 1112, 1240, 1390, 2224, 2480, 2780, 4309, 4448, 4960, 5560, 8618, 11120, 17236, 21545, 22240, 29251, 34472, 43090, 58502, 68944, 86180, 117004, 137888, 146255, 172360, 234008, 292510, 344720, 468016, 585020, 689440, 906781, 936032, 1170040, 1813562, 2340080, 3627124, 4065889, 4533905, 4680160, 7254248, 8131778, 9067810, 14508496, 16263556, 18135620, 20329445, 29016992, 32527112, 36271240, 40658890, 65054224, 72542480, 81317780, 126042559, 130108448, 145084960, 162635560, 252085118, 325271120, 504170236, 630212795, 650542240, 1008340472, 1260425590, 2016680944, 2520851180, 4033361888, 5041702360, 10083404720, 20166809440]

約数ペア:

[(1, 20166809440), (2, 10083404720), (4, 5041702360), (5, 4033361888), (8, 2520851180), (10, 2016680944), (16, 1260425590), (20, 1008340472), (31, 650542240), (32, 630212795), (40, 504170236), (62, 325271120), (80, 252085118), (124, 162635560), (139, 145084960), (155, 130108448), (160, 126042559), (248, 81317780), (278, 72542480), (310, 65054224), (496, 40658890), (556, 36271240), (620, 32527112), (695, 29016992), (992, 20329445), (1112, 18135620), (1240, 16263556), (1390, 14508496), (2224, 9067810), (2480, 8131778), (2780, 7254248), (4309, 4680160), (4448, 4533905), (4960, 4065889), (5560, 3627124), (8618, 2340080), (11120, 1813562), (17236, 1170040), (21545, 936032), (22240, 906781), (29251, 689440), (34472, 585020), (43090, 468016), (58502, 344720), (68944, 292510), (86180, 234008), (117004, 172360), (137888, 146255)]