45312500

素因数分解:

$2^2\times 5^8\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 54

約数和(自身を含む): 102539010

約数和(自身を除く): 57226510

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 625, 725, 1250, 1450, 2500, 2900, 3125, 3625, 6250, 7250, 12500, 14500, 15625, 18125, 31250, 36250, 62500, 72500, 78125, 90625, 156250, 181250, 312500, 362500, 390625, 453125, 781250, 906250, 1562500, 1812500, 2265625, 4531250, 9062500, 11328125, 22656250, 45312500]

約数ペア:

[(1, 45312500), (2, 22656250), (4, 11328125), (5, 9062500), (10, 4531250), (20, 2265625), (25, 1812500), (29, 1562500), (50, 906250), (58, 781250), (100, 453125), (116, 390625), (125, 362500), (145, 312500), (250, 181250), (290, 156250), (500, 90625), (580, 78125), (625, 72500), (725, 62500), (1250, 36250), (1450, 31250), (2500, 18125), (2900, 15625), (3125, 14500), (3625, 12500), (6250, 7250)]