78454480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75437}}^1$

素因数の和:75463

約数の個数: 40

約数和(自身を含む): 196440552

約数和(自身を除く): 117986072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75437, 150874, 301748, 377185, 603496, 754370, 980681, 1206992, 1508740, 1961362, 3017480, 3922724, 4903405, 6034960, 7845448, 9806810, 15690896, 19613620, 39227240, 78454480]

約数ペア:

[(1, 78454480), (2, 39227240), (4, 19613620), (5, 15690896), (8, 9806810), (10, 7845448), (13, 6034960), (16, 4903405), (20, 3922724), (26, 3017480), (40, 1961362), (52, 1508740), (65, 1206992), (80, 980681), (104, 754370), (130, 603496), (208, 377185), (260, 301748), (520, 150874), (1040, 75437)]