1338475240

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{213133}}^1$

素因数の和:213301

約数の個数: 32

約数和(自身を含む): 3030765480

約数和(自身を除く): 1692290240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 213133, 426266, 852532, 1065665, 1705064, 2131330, 4262660, 8525320, 33461881, 66923762, 133847524, 167309405, 267695048, 334618810, 669237620, 1338475240]

約数ペア:

[(1, 1338475240), (2, 669237620), (4, 334618810), (5, 267695048), (8, 167309405), (10, 133847524), (20, 66923762), (40, 33461881), (157, 8525320), (314, 4262660), (628, 2131330), (785, 1705064), (1256, 1065665), (1570, 852532), (3140, 426266), (6280, 213133)]