617196520

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{11173}}^1$

素因数の和:12565

約数の個数: 32

約数和(自身を含む): 1389822120

約数和(自身を除く): 772625600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 2762, 5524, 6905, 11048, 11173, 13810, 22346, 27620, 44692, 55240, 55865, 89384, 111730, 223460, 446920, 15429913, 30859826, 61719652, 77149565, 123439304, 154299130, 308598260, 617196520]

約数ペア:

[(1, 617196520), (2, 308598260), (4, 154299130), (5, 123439304), (8, 77149565), (10, 61719652), (20, 30859826), (40, 15429913), (1381, 446920), (2762, 223460), (5524, 111730), (6905, 89384), (11048, 55865), (11173, 55240), (13810, 44692), (22346, 27620)]