26439920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25423}}^1$

素因数の和:25449

約数の個数: 40

約数和(自身を含む): 66204096

約数和(自身を除く): 39764176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 25423, 50846, 101692, 127115, 203384, 254230, 330499, 406768, 508460, 660998, 1016920, 1321996, 1652495, 2033840, 2643992, 3304990, 5287984, 6609980, 13219960, 26439920]

約数ペア:

[(1, 26439920), (2, 13219960), (4, 6609980), (5, 5287984), (8, 3304990), (10, 2643992), (13, 2033840), (16, 1652495), (20, 1321996), (26, 1016920), (40, 660998), (52, 508460), (65, 406768), (80, 330499), (104, 254230), (130, 203384), (208, 127115), (260, 101692), (520, 50846), (1040, 25423)]