25572560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 65162496

約数和(自身を除く): 39589936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 367, 520, 536, 670, 734, 871, 1040, 1072, 1340, 1468, 1742, 1835, 2680, 2936, 3484, 3670, 4355, 4771, 5360, 5872, 6968, 7340, 8710, 9542, 13936, 14680, 17420, 19084, 23855, 24589, 29360, 34840, 38168, 47710, 49178, 69680, 76336, 95420, 98356, 122945, 190840, 196712, 245890, 319657, 381680, 393424, 491780, 639314, 983560, 1278628, 1598285, 1967120, 2557256, 3196570, 5114512, 6393140, 12786280, 25572560]

約数ペア:

[(1, 25572560), (2, 12786280), (4, 6393140), (5, 5114512), (8, 3196570), (10, 2557256), (13, 1967120), (16, 1598285), (20, 1278628), (26, 983560), (40, 639314), (52, 491780), (65, 393424), (67, 381680), (80, 319657), (104, 245890), (130, 196712), (134, 190840), (208, 122945), (260, 98356), (268, 95420), (335, 76336), (367, 69680), (520, 49178), (536, 47710), (670, 38168), (734, 34840), (871, 29360), (1040, 24589), (1072, 23855), (1340, 19084), (1468, 17420), (1742, 14680), (1835, 13936), (2680, 9542), (2936, 8710), (3484, 7340), (3670, 6968), (4355, 5872), (4771, 5360)]