251067280

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{5801}}^1$

素因数の和:6355

約数の個数: 40

約数和(自身を含む): 584911224

約数和(自身を除く): 333843944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2164, 2705, 4328, 5410, 5801, 8656, 10820, 11602, 21640, 23204, 29005, 43280, 46408, 58010, 92816, 116020, 232040, 464080, 3138341, 6276682, 12553364, 15691705, 25106728, 31383410, 50213456, 62766820, 125533640, 251067280]

約数ペア:

[(1, 251067280), (2, 125533640), (4, 62766820), (5, 50213456), (8, 31383410), (10, 25106728), (16, 15691705), (20, 12553364), (40, 6276682), (80, 3138341), (541, 464080), (1082, 232040), (2164, 116020), (2705, 92816), (4328, 58010), (5410, 46408), (5801, 43280), (8656, 29005), (10820, 23204), (11602, 21640)]