40237790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1559}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 75816000

約数和(自身を除く): 35578210

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 1559, 2581, 3118, 5162, 7795, 12905, 15590, 25810, 45211, 90422, 138751, 226055, 277502, 452110, 693755, 1387510, 4023779, 8047558, 20118895, 40237790]

約数ペア:

[(1, 40237790), (2, 20118895), (5, 8047558), (10, 4023779), (29, 1387510), (58, 693755), (89, 452110), (145, 277502), (178, 226055), (290, 138751), (445, 90422), (890, 45211), (1559, 25810), (2581, 15590), (3118, 12905), (5162, 7795)]