31574720

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1345

約数の個数: 56

約数和(自身を含む): 76200000

約数和(自身を除く): 44625280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1249, 1264, 1580, 2498, 2528, 3160, 4996, 5056, 6245, 6320, 9992, 12490, 12640, 19984, 24980, 25280, 39968, 49960, 79936, 98671, 99920, 197342, 199840, 394684, 399680, 493355, 789368, 986710, 1578736, 1973420, 3157472, 3946840, 6314944, 7893680, 15787360, 31574720]

約数ペア:

[(1, 31574720), (2, 15787360), (4, 7893680), (5, 6314944), (8, 3946840), (10, 3157472), (16, 1973420), (20, 1578736), (32, 986710), (40, 789368), (64, 493355), (79, 399680), (80, 394684), (158, 199840), (160, 197342), (316, 99920), (320, 98671), (395, 79936), (632, 49960), (790, 39968), (1249, 25280), (1264, 24980), (1580, 19984), (2498, 12640), (2528, 12490), (3160, 9992), (4996, 6320), (5056, 6245)]