40648816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{195427}}^1$

素因数の和:195448

約数の個数: 20

約数和(自身を含む): 84815752

約数和(自身を除く): 44166936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 195427, 390854, 781708, 1563416, 2540551, 3126832, 5081102, 10162204, 20324408, 40648816]

約数ペア:

[(1, 40648816), (2, 20324408), (4, 10162204), (8, 5081102), (13, 3126832), (16, 2540551), (26, 1563416), (52, 781708), (104, 390854), (208, 195427)]