7130150920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 16828922880

約数和(自身を除く): 9698771960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 263, 271, 305, 328, 410, 488, 526, 542, 610, 820, 1052, 1084, 1220, 1315, 1355, 1640, 2104, 2168, 2440, 2501, 2630, 2710, 5002, 5260, 5420, 10004, 10520, 10783, 10840, 11111, 12505, 16043, 16531, 20008, 21566, 22222, 25010, 32086, 33062, 43132, 44444, 50020, 53915, 55555, 64172, 66124, 71273, 80215, 82655, 86264, 88888, 100040, 107830, 111110, 128344, 132248, 142546, 160430, 165310, 215660, 222220, 285092, 320860, 330620, 356365, 431320, 444440, 570184, 641720, 657763, 661240, 677771, 712730, 1315526, 1355542, 1425460, 2631052, 2711084, 2850920, 2922193, 3288815, 3388855, 4347653, 5262104, 5422168, 5844386, 6577630, 6777710, 8695306, 11688772, 13155260, 13555420, 14610965, 17390612, 21738265, 23377544, 26310520, 27110840, 29221930, 34781224, 43476530, 58443860, 86953060, 116887720, 173906120, 178253773, 356507546, 713015092, 891268865, 1426030184, 1782537730, 3565075460, 7130150920]

約数ペア:

[(1, 7130150920), (2, 3565075460), (4, 1782537730), (5, 1426030184), (8, 891268865), (10, 713015092), (20, 356507546), (40, 178253773), (41, 173906120), (61, 116887720), (82, 86953060), (122, 58443860), (164, 43476530), (205, 34781224), (244, 29221930), (263, 27110840), (271, 26310520), (305, 23377544), (328, 21738265), (410, 17390612), (488, 14610965), (526, 13555420), (542, 13155260), (610, 11688772), (820, 8695306), (1052, 6777710), (1084, 6577630), (1220, 5844386), (1315, 5422168), (1355, 5262104), (1640, 4347653), (2104, 3388855), (2168, 3288815), (2440, 2922193), (2501, 2850920), (2630, 2711084), (2710, 2631052), (5002, 1425460), (5260, 1355542), (5420, 1315526), (10004, 712730), (10520, 677771), (10783, 661240), (10840, 657763), (11111, 641720), (12505, 570184), (16043, 444440), (16531, 431320), (20008, 356365), (21566, 330620), (22222, 320860), (25010, 285092), (32086, 222220), (33062, 215660), (43132, 165310), (44444, 160430), (50020, 142546), (53915, 132248), (55555, 128344), (64172, 111110), (66124, 107830), (71273, 100040), (80215, 88888), (82655, 86264)]