12561250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:808

約数の個数: 40

約数和(自身を含む): 25388748

約数和(自身を除く): 12827498

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 773, 1250, 1546, 1625, 3250, 3865, 7730, 8125, 10049, 16250, 19325, 20098, 38650, 50245, 96625, 100490, 193250, 251225, 483125, 502450, 966250, 1256125, 2512250, 6280625, 12561250]

約数ペア:

[(1, 12561250), (2, 6280625), (5, 2512250), (10, 1256125), (13, 966250), (25, 502450), (26, 483125), (50, 251225), (65, 193250), (125, 100490), (130, 96625), (250, 50245), (325, 38650), (625, 20098), (650, 19325), (773, 16250), (1250, 10049), (1546, 8125), (1625, 7730), (3250, 3865)]