11312500

素因数分解:

$2^2\times 5^6\times {\mathrm{181}}^1$

素因数の和:215

約数の個数: 42

約数和(自身を含む): 24882494

約数和(自身を除く): 13569994

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 181, 250, 362, 500, 625, 724, 905, 1250, 1810, 2500, 3125, 3620, 4525, 6250, 9050, 12500, 15625, 18100, 22625, 31250, 45250, 62500, 90500, 113125, 226250, 452500, 565625, 1131250, 2262500, 2828125, 5656250, 11312500]

約数ペア:

[(1, 11312500), (2, 5656250), (4, 2828125), (5, 2262500), (10, 1131250), (20, 565625), (25, 452500), (50, 226250), (100, 113125), (125, 90500), (181, 62500), (250, 45250), (362, 31250), (500, 22625), (625, 18100), (724, 15625), (905, 12500), (1250, 9050), (1810, 6250), (2500, 4525), (3125, 3620)]