259621480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{41341}}^1$

素因数の和:41509

約数の個数: 32

約数和(自身を含む): 587883240

約数和(自身を除く): 328261760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 41341, 82682, 165364, 206705, 330728, 413410, 826820, 1653640, 6490537, 12981074, 25962148, 32452685, 51924296, 64905370, 129810740, 259621480]

約数ペア:

[(1, 259621480), (2, 129810740), (4, 64905370), (5, 51924296), (8, 32452685), (10, 25962148), (20, 12981074), (40, 6490537), (157, 1653640), (314, 826820), (628, 413410), (785, 330728), (1256, 206705), (1570, 165364), (3140, 82682), (6280, 41341)]