16804968080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3443641}}^1$

素因数の和:3443715

約数の個数: 40

約数和(自身を含む): 39712079544

約数和(自身を除く): 22907111464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 3443641, 6887282, 13774564, 17218205, 27549128, 34436410, 55098256, 68872820, 137745640, 210062101, 275491280, 420124202, 840248404, 1050310505, 1680496808, 2100621010, 3360993616, 4201242020, 8402484040, 16804968080]

約数ペア:

[(1, 16804968080), (2, 8402484040), (4, 4201242020), (5, 3360993616), (8, 2100621010), (10, 1680496808), (16, 1050310505), (20, 840248404), (40, 420124202), (61, 275491280), (80, 210062101), (122, 137745640), (244, 68872820), (305, 55098256), (488, 34436410), (610, 27549128), (976, 17218205), (1220, 13774564), (2440, 6887282), (4880, 3443641)]