2079386920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3998821}}^1$

素因数の和:3998845

約数の個数: 32

約数和(自身を含む): 5038515720

約数和(自身を除く): 2959128800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3998821, 7997642, 15995284, 19994105, 31990568, 39988210, 51984673, 79976420, 103969346, 159952840, 207938692, 259923365, 415877384, 519846730, 1039693460, 2079386920]

約数ペア:

[(1, 2079386920), (2, 1039693460), (4, 519846730), (5, 415877384), (8, 259923365), (10, 207938692), (13, 159952840), (20, 103969346), (26, 79976420), (40, 51984673), (52, 39988210), (65, 31990568), (104, 19994105), (130, 15995284), (260, 7997642), (520, 3998821)]