91788560

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7039}}^1$

素因数の和:7215

約数の個数: 40

約数和(自身を含む): 214748160

約数和(自身を除く): 122959600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 7039, 13040, 14078, 28156, 35195, 56312, 70390, 112624, 140780, 281560, 563120, 1147357, 2294714, 4589428, 5736785, 9178856, 11473570, 18357712, 22947140, 45894280, 91788560]

約数ペア:

[(1, 91788560), (2, 45894280), (4, 22947140), (5, 18357712), (8, 11473570), (10, 9178856), (16, 5736785), (20, 4589428), (40, 2294714), (80, 1147357), (163, 563120), (326, 281560), (652, 140780), (815, 112624), (1304, 70390), (1630, 56312), (2608, 35195), (3260, 28156), (6520, 14078), (7039, 13040)]