641285060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2466481}}^1$

素因数の和:2466503

約数の個数: 24

約数和(自身を含む): 1450291416

約数和(自身を除く): 809006356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2466481, 4932962, 9865924, 12332405, 24664810, 32064253, 49329620, 64128506, 128257012, 160321265, 320642530, 641285060]

約数ペア:

[(1, 641285060), (2, 320642530), (4, 160321265), (5, 128257012), (10, 64128506), (13, 49329620), (20, 32064253), (26, 24664810), (52, 12332405), (65, 9865924), (130, 4932962), (260, 2466481)]