25516250

素因数分解:

$2^1\times 5^4\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 40

約数和(自身を含む): 48500100

約数和(自身を除く): 22983850

約数列:

[1, 2, 5, 10, 25, 50, 125, 137, 149, 250, 274, 298, 625, 685, 745, 1250, 1370, 1490, 3425, 3725, 6850, 7450, 17125, 18625, 20413, 34250, 37250, 40826, 85625, 93125, 102065, 171250, 186250, 204130, 510325, 1020650, 2551625, 5103250, 12758125, 25516250]

約数ペア:

[(1, 25516250), (2, 12758125), (5, 5103250), (10, 2551625), (25, 1020650), (50, 510325), (125, 204130), (137, 186250), (149, 171250), (250, 102065), (274, 93125), (298, 85625), (625, 40826), (685, 37250), (745, 34250), (1250, 20413), (1370, 18625), (1490, 17125), (3425, 7450), (3725, 6850)]