72042500

素因数分解:

$2^2\times 5^4\times {\mathrm{28817}}^1$

素因数の和:28841

約数の個数: 30

約数和(自身を含む): 157548006

約数和(自身を除く): 85505506

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 28817, 57634, 115268, 144085, 288170, 576340, 720425, 1440850, 2881700, 3602125, 7204250, 14408500, 18010625, 36021250, 72042500]

約数ペア:

[(1, 72042500), (2, 36021250), (4, 18010625), (5, 14408500), (10, 7204250), (20, 3602125), (25, 2881700), (50, 1440850), (100, 720425), (125, 576340), (250, 288170), (500, 144085), (625, 115268), (1250, 57634), (2500, 28817)]