72810040

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{10169}}^1$

素因数の和:10359

約数の個数: 32

約数和(自身を含む): 164754000

約数和(自身を除く): 91943960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 10169, 20338, 40676, 50845, 81352, 101690, 203380, 406760, 1820251, 3640502, 7281004, 9101255, 14562008, 18202510, 36405020, 72810040]

約数ペア:

[(1, 72810040), (2, 36405020), (4, 18202510), (5, 14562008), (8, 9101255), (10, 7281004), (20, 3640502), (40, 1820251), (179, 406760), (358, 203380), (716, 101690), (895, 81352), (1432, 50845), (1790, 40676), (3580, 20338), (7160, 10169)]