55919890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{971}}^1$

素因数の和:1434

約数の個数: 32

約数和(自身を含む): 108755136

約数和(自身を除く): 52835246

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 443, 886, 971, 1942, 2215, 4430, 4855, 5759, 9710, 11518, 12623, 25246, 28795, 57590, 63115, 126230, 430153, 860306, 2150765, 4301530, 5591989, 11183978, 27959945, 55919890]

約数ペア:

[(1, 55919890), (2, 27959945), (5, 11183978), (10, 5591989), (13, 4301530), (26, 2150765), (65, 860306), (130, 430153), (443, 126230), (886, 63115), (971, 57590), (1942, 28795), (2215, 25246), (4430, 12623), (4855, 11518), (5759, 9710)]