725004560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1294651}}^1$

素因数の和:1294671

約数の個数: 40

約数和(自身を含む): 1926442176

約数和(自身を除く): 1201437616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1294651, 2589302, 5178604, 6473255, 9062557, 10357208, 12946510, 18125114, 20714416, 25893020, 36250228, 45312785, 51786040, 72500456, 90625570, 103572080, 145000912, 181251140, 362502280, 725004560]

約数ペア:

[(1, 725004560), (2, 362502280), (4, 181251140), (5, 145000912), (7, 103572080), (8, 90625570), (10, 72500456), (14, 51786040), (16, 45312785), (20, 36250228), (28, 25893020), (35, 20714416), (40, 18125114), (56, 12946510), (70, 10357208), (80, 9062557), (112, 6473255), (140, 5178604), (280, 2589302), (560, 1294651)]