87740560

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13883}}^1$

素因数の和:13975

約数の個数: 40

約数和(自身を含む): 206593920

約数和(自身を除く): 118853360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 13883, 27766, 55532, 69415, 111064, 138830, 222128, 277660, 555320, 1096757, 1110640, 2193514, 4387028, 5483785, 8774056, 10967570, 17548112, 21935140, 43870280, 87740560]

約数ペア:

[(1, 87740560), (2, 43870280), (4, 21935140), (5, 17548112), (8, 10967570), (10, 8774056), (16, 5483785), (20, 4387028), (40, 2193514), (79, 1110640), (80, 1096757), (158, 555320), (316, 277660), (395, 222128), (632, 138830), (790, 111064), (1264, 69415), (1580, 55532), (3160, 27766), (6320, 13883)]