83756920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161071}}^1$

素因数の和:161095

約数の個数: 32

約数和(自身を含む): 202950720

約数和(自身を除く): 119193800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 161071, 322142, 644284, 805355, 1288568, 1610710, 2093923, 3221420, 4187846, 6442840, 8375692, 10469615, 16751384, 20939230, 41878460, 83756920]

約数ペア:

[(1, 83756920), (2, 41878460), (4, 20939230), (5, 16751384), (8, 10469615), (10, 8375692), (13, 6442840), (20, 4187846), (26, 3221420), (40, 2093923), (52, 1610710), (65, 1288568), (104, 805355), (130, 644284), (260, 322142), (520, 161071)]