8889260840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{22679}}^1$

素因数の和:22970

約数の個数: 64

約数和(自身を含む): 20575296000

約数和(自身を除く): 11686035160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 239, 328, 410, 478, 820, 956, 1195, 1640, 1912, 2390, 4780, 9560, 9799, 19598, 22679, 39196, 45358, 48995, 78392, 90716, 97990, 113395, 181432, 195980, 226790, 391960, 453580, 907160, 929839, 1859678, 3719356, 4649195, 5420281, 7438712, 9298390, 10840562, 18596780, 21681124, 27101405, 37193560, 43362248, 54202810, 108405620, 216811240, 222231521, 444463042, 888926084, 1111157605, 1777852168, 2222315210, 4444630420, 8889260840]

約数ペア:

[(1, 8889260840), (2, 4444630420), (4, 2222315210), (5, 1777852168), (8, 1111157605), (10, 888926084), (20, 444463042), (40, 222231521), (41, 216811240), (82, 108405620), (164, 54202810), (205, 43362248), (239, 37193560), (328, 27101405), (410, 21681124), (478, 18596780), (820, 10840562), (956, 9298390), (1195, 7438712), (1640, 5420281), (1912, 4649195), (2390, 3719356), (4780, 1859678), (9560, 929839), (9799, 907160), (19598, 453580), (22679, 391960), (39196, 226790), (45358, 195980), (48995, 181432), (78392, 113395), (90716, 97990)]