89399440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1283}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 227360448

約数和(自身を除く): 137961008

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, 520, 536, 670, 871, 1040, 1072, 1283, 1340, 1742, 2566, 2680, 3484, 4355, 5132, 5360, 6415, 6968, 8710, 10264, 12830, 13936, 16679, 17420, 20528, 25660, 33358, 34840, 51320, 66716, 69680, 83395, 85961, 102640, 133432, 166790, 171922, 266864, 333580, 343844, 429805, 667160, 687688, 859610, 1117493, 1334320, 1375376, 1719220, 2234986, 3438440, 4469972, 5587465, 6876880, 8939944, 11174930, 17879888, 22349860, 44699720, 89399440]

約数ペア:

[(1, 89399440), (2, 44699720), (4, 22349860), (5, 17879888), (8, 11174930), (10, 8939944), (13, 6876880), (16, 5587465), (20, 4469972), (26, 3438440), (40, 2234986), (52, 1719220), (65, 1375376), (67, 1334320), (80, 1117493), (104, 859610), (130, 687688), (134, 667160), (208, 429805), (260, 343844), (268, 333580), (335, 266864), (520, 171922), (536, 166790), (670, 133432), (871, 102640), (1040, 85961), (1072, 83395), (1283, 69680), (1340, 66716), (1742, 51320), (2566, 34840), (2680, 33358), (3484, 25660), (4355, 20528), (5132, 17420), (5360, 16679), (6415, 13936), (6968, 12830), (8710, 10264)]