80405936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{677}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 168312144

約数和(自身を除く): 87906208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 571, 677, 1142, 1354, 2284, 2708, 4568, 5416, 7423, 8801, 9136, 10832, 14846, 17602, 29692, 35204, 59384, 70408, 118768, 140816, 386567, 773134, 1546268, 3092536, 5025371, 6185072, 10050742, 20101484, 40202968, 80405936]

約数ペア:

[(1, 80405936), (2, 40202968), (4, 20101484), (8, 10050742), (13, 6185072), (16, 5025371), (26, 3092536), (52, 1546268), (104, 773134), (208, 386567), (571, 140816), (677, 118768), (1142, 70408), (1354, 59384), (2284, 35204), (2708, 29692), (4568, 17602), (5416, 14846), (7423, 10832), (8801, 9136)]