12602500

素因数分解:

$2^2\times 5^4\times {\mathrm{71}}^2$

素因数の和:166

約数の個数: 45

約数和(自身を含む): 27952771

約数和(自身を除く): 15350271

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 625, 710, 1250, 1420, 1775, 2500, 3550, 5041, 7100, 8875, 10082, 17750, 20164, 25205, 35500, 44375, 50410, 88750, 100820, 126025, 177500, 252050, 504100, 630125, 1260250, 2520500, 3150625, 6301250, 12602500]

約数ペア:

[(1, 12602500), (2, 6301250), (4, 3150625), (5, 2520500), (10, 1260250), (20, 630125), (25, 504100), (50, 252050), (71, 177500), (100, 126025), (125, 100820), (142, 88750), (250, 50410), (284, 44375), (355, 35500), (500, 25205), (625, 20164), (710, 17750), (1250, 10082), (1420, 8875), (1775, 7100), (2500, 5041)]