25054020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{769}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 76516440

約数和(自身を除く): 51462420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 769, 905, 1086, 1538, 1629, 1810, 2172, 2307, 2715, 3076, 3258, 3620, 3845, 4614, 5430, 6516, 6921, 7690, 8145, 9228, 10860, 11535, 13842, 15380, 16290, 23070, 27684, 32580, 34605, 46140, 69210, 138420, 139189, 278378, 417567, 556756, 695945, 835134, 1252701, 1391890, 1670268, 2087835, 2505402, 2783780, 4175670, 5010804, 6263505, 8351340, 12527010, 25054020]

約数ペア:

[(1, 25054020), (2, 12527010), (3, 8351340), (4, 6263505), (5, 5010804), (6, 4175670), (9, 2783780), (10, 2505402), (12, 2087835), (15, 1670268), (18, 1391890), (20, 1252701), (30, 835134), (36, 695945), (45, 556756), (60, 417567), (90, 278378), (180, 139189), (181, 138420), (362, 69210), (543, 46140), (724, 34605), (769, 32580), (905, 27684), (1086, 23070), (1538, 16290), (1629, 15380), (1810, 13842), (2172, 11535), (2307, 10860), (2715, 9228), (3076, 8145), (3258, 7690), (3620, 6921), (3845, 6516), (4614, 5430)]