72812500

素因数分解:

$2^2\times 5^7\times {\mathrm{233}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 159960528

約数和(自身を除く): 87148028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 233, 250, 466, 500, 625, 932, 1165, 1250, 2330, 2500, 3125, 4660, 5825, 6250, 11650, 12500, 15625, 23300, 29125, 31250, 58250, 62500, 78125, 116500, 145625, 156250, 291250, 312500, 582500, 728125, 1456250, 2912500, 3640625, 7281250, 14562500, 18203125, 36406250, 72812500]

約数ペア:

[(1, 72812500), (2, 36406250), (4, 18203125), (5, 14562500), (10, 7281250), (20, 3640625), (25, 2912500), (50, 1456250), (100, 728125), (125, 582500), (233, 312500), (250, 291250), (466, 156250), (500, 145625), (625, 116500), (932, 78125), (1165, 62500), (1250, 58250), (2330, 31250), (2500, 29125), (3125, 23300), (4660, 15625), (5825, 12500), (6250, 11650)]