12951250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:832

約数の個数: 40

約数和(自身を含む): 26175996

約数和(自身を除く): 13224746

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 797, 1250, 1594, 1625, 3250, 3985, 7970, 8125, 10361, 16250, 19925, 20722, 39850, 51805, 99625, 103610, 199250, 259025, 498125, 518050, 996250, 1295125, 2590250, 6475625, 12951250]

約数ペア:

[(1, 12951250), (2, 6475625), (5, 2590250), (10, 1295125), (13, 996250), (25, 518050), (26, 498125), (50, 259025), (65, 199250), (125, 103610), (130, 99625), (250, 51805), (325, 39850), (625, 20722), (650, 19925), (797, 16250), (1250, 10361), (1594, 8125), (1625, 7970), (3250, 3985)]