139444240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{134081}}^1$

素因数の和:134107

約数の個数: 40

約数和(自身を含む): 349149528

約数和(自身を除く): 209705288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 134081, 268162, 536324, 670405, 1072648, 1340810, 1743053, 2145296, 2681620, 3486106, 5363240, 6972212, 8715265, 10726480, 13944424, 17430530, 27888848, 34861060, 69722120, 139444240]

約数ペア:

[(1, 139444240), (2, 69722120), (4, 34861060), (5, 27888848), (8, 17430530), (10, 13944424), (13, 10726480), (16, 8715265), (20, 6972212), (26, 5363240), (40, 3486106), (52, 2681620), (65, 2145296), (80, 1743053), (104, 1340810), (130, 1072648), (208, 670405), (260, 536324), (520, 268162), (1040, 134081)]