129052040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248177}}^1$

素因数の和:248201

約数の個数: 32

約数和(自身を含む): 312704280

約数和(自身を除く): 183652240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 248177, 496354, 992708, 1240885, 1985416, 2481770, 3226301, 4963540, 6452602, 9927080, 12905204, 16131505, 25810408, 32263010, 64526020, 129052040]

約数ペア:

[(1, 129052040), (2, 64526020), (4, 32263010), (5, 25810408), (8, 16131505), (10, 12905204), (13, 9927080), (20, 6452602), (26, 4963540), (40, 3226301), (52, 2481770), (65, 1985416), (104, 1240885), (130, 992708), (260, 496354), (520, 248177)]