136400540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 292626432

約数和(自身を除く): 156225892

約数列:

[1, 2, 4, 5, 10, 20, 83, 127, 166, 254, 332, 415, 508, 635, 647, 830, 1270, 1294, 1660, 2540, 2588, 3235, 6470, 10541, 12940, 21082, 42164, 52705, 53701, 82169, 105410, 107402, 164338, 210820, 214804, 268505, 328676, 410845, 537010, 821690, 1074020, 1643380, 6820027, 13640054, 27280108, 34100135, 68200270, 136400540]

約数ペア:

[(1, 136400540), (2, 68200270), (4, 34100135), (5, 27280108), (10, 13640054), (20, 6820027), (83, 1643380), (127, 1074020), (166, 821690), (254, 537010), (332, 410845), (415, 328676), (508, 268505), (635, 214804), (647, 210820), (830, 164338), (1270, 107402), (1294, 105410), (1660, 82169), (2540, 53701), (2588, 52705), (3235, 42164), (6470, 21082), (10541, 12940)]