25241220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15581}}^1$

素因数の和:15602

約数の個数: 60

約数和(自身を含む): 79187724

約数和(自身を除く): 53946504

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 15581, 31162, 46743, 62324, 77905, 93486, 140229, 155810, 186972, 233715, 280458, 311620, 420687, 467430, 560916, 701145, 841374, 934860, 1262061, 1402290, 1682748, 2103435, 2524122, 2804580, 4206870, 5048244, 6310305, 8413740, 12620610, 25241220]

約数ペア:

[(1, 25241220), (2, 12620610), (3, 8413740), (4, 6310305), (5, 5048244), (6, 4206870), (9, 2804580), (10, 2524122), (12, 2103435), (15, 1682748), (18, 1402290), (20, 1262061), (27, 934860), (30, 841374), (36, 701145), (45, 560916), (54, 467430), (60, 420687), (81, 311620), (90, 280458), (108, 233715), (135, 186972), (162, 155810), (180, 140229), (270, 93486), (324, 77905), (405, 62324), (540, 46743), (810, 31162), (1620, 15581)]