12786280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 31530240

約数和(自身を除く): 18743960

約数列:

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

約数ペア:

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