42160820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{971}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 96018048

約数和(自身を除く): 53857228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 668, 835, 971, 1670, 1942, 2171, 3340, 3884, 4342, 4855, 8684, 9710, 10855, 12623, 19420, 21710, 25246, 43420, 50492, 63115, 126230, 162157, 252460, 324314, 648628, 810785, 1621570, 2108041, 3243140, 4216082, 8432164, 10540205, 21080410, 42160820]

約数ペア:

[(1, 42160820), (2, 21080410), (4, 10540205), (5, 8432164), (10, 4216082), (13, 3243140), (20, 2108041), (26, 1621570), (52, 810785), (65, 648628), (130, 324314), (167, 252460), (260, 162157), (334, 126230), (668, 63115), (835, 50492), (971, 43420), (1670, 25246), (1942, 21710), (2171, 19420), (3340, 12623), (3884, 10855), (4342, 9710), (4855, 8684)]