87629680

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1693}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 204174432

約数和(自身を除く): 116544752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 1693, 2588, 3235, 3386, 5176, 6470, 6772, 8465, 10352, 12940, 13544, 16930, 25880, 27088, 33860, 51760, 67720, 135440, 1095371, 2190742, 4381484, 5476855, 8762968, 10953710, 17525936, 21907420, 43814840, 87629680]

約数ペア:

[(1, 87629680), (2, 43814840), (4, 21907420), (5, 17525936), (8, 10953710), (10, 8762968), (16, 5476855), (20, 4381484), (40, 2190742), (80, 1095371), (647, 135440), (1294, 67720), (1693, 51760), (2588, 33860), (3235, 27088), (3386, 25880), (5176, 16930), (6470, 13544), (6772, 12940), (8465, 10352)]