85538440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{607}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 208373760

約数和(自身を除く): 122835320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 520, 542, 607, 1084, 1214, 1355, 2168, 2428, 2710, 3035, 3523, 4856, 5420, 6070, 7046, 7891, 10840, 12140, 14092, 15782, 17615, 24280, 28184, 31564, 35230, 39455, 63128, 70460, 78910, 140920, 157820, 164497, 315640, 328994, 657988, 822485, 1315976, 1644970, 2138461, 3289940, 4276922, 6579880, 8553844, 10692305, 17107688, 21384610, 42769220, 85538440]

約数ペア:

[(1, 85538440), (2, 42769220), (4, 21384610), (5, 17107688), (8, 10692305), (10, 8553844), (13, 6579880), (20, 4276922), (26, 3289940), (40, 2138461), (52, 1644970), (65, 1315976), (104, 822485), (130, 657988), (260, 328994), (271, 315640), (520, 164497), (542, 157820), (607, 140920), (1084, 78910), (1214, 70460), (1355, 63128), (2168, 39455), (2428, 35230), (2710, 31564), (3035, 28184), (3523, 24280), (4856, 17615), (5420, 15782), (6070, 14092), (7046, 12140), (7891, 10840)]