8708105980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{876067}}^1$

素因数の和:876154

約数の個数: 48

約数和(自身を含む): 21193837056

約数和(自身を除く): 12485731076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 876067, 1752134, 3504268, 4380335, 6132469, 8760670, 12264938, 17521340, 24529876, 30662345, 61324690, 62200757, 122649380, 124401514, 248803028, 311003785, 435405299, 622007570, 870810598, 1244015140, 1741621196, 2177026495, 4354052990, 8708105980]

約数ペア:

[(1, 8708105980), (2, 4354052990), (4, 2177026495), (5, 1741621196), (7, 1244015140), (10, 870810598), (14, 622007570), (20, 435405299), (28, 311003785), (35, 248803028), (70, 124401514), (71, 122649380), (140, 62200757), (142, 61324690), (284, 30662345), (355, 24529876), (497, 17521340), (710, 12264938), (994, 8760670), (1420, 6132469), (1988, 4380335), (2485, 3504268), (4970, 1752134), (9940, 876067)]