12541490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 25179336

約数和(自身を除く): 12637846

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 169, 181, 205, 338, 362, 410, 533, 845, 905, 1066, 1690, 1810, 2353, 2665, 4706, 5330, 6929, 7421, 11765, 13858, 14842, 23530, 30589, 34645, 37105, 61178, 69290, 74210, 96473, 152945, 192946, 305890, 482365, 964730, 1254149, 2508298, 6270745, 12541490]

約数ペア:

[(1, 12541490), (2, 6270745), (5, 2508298), (10, 1254149), (13, 964730), (26, 482365), (41, 305890), (65, 192946), (82, 152945), (130, 96473), (169, 74210), (181, 69290), (205, 61178), (338, 37105), (362, 34645), (410, 30589), (533, 23530), (845, 14842), (905, 13858), (1066, 11765), (1690, 7421), (1810, 6929), (2353, 5330), (2665, 4706)]