25402860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20161}}^1$

素因数の和:20183

約数の個数: 72

約数和(自身を含む): 88067616

約数和(自身を除く): 62664756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20161, 40322, 60483, 80644, 100805, 120966, 141127, 181449, 201610, 241932, 282254, 302415, 362898, 403220, 423381, 564508, 604830, 705635, 725796, 846762, 907245, 1209660, 1270143, 1411270, 1693524, 1814490, 2116905, 2540286, 2822540, 3628980, 4233810, 5080572, 6350715, 8467620, 12701430, 25402860]

約数ペア:

[(1, 25402860), (2, 12701430), (3, 8467620), (4, 6350715), (5, 5080572), (6, 4233810), (7, 3628980), (9, 2822540), (10, 2540286), (12, 2116905), (14, 1814490), (15, 1693524), (18, 1411270), (20, 1270143), (21, 1209660), (28, 907245), (30, 846762), (35, 725796), (36, 705635), (42, 604830), (45, 564508), (60, 423381), (63, 403220), (70, 362898), (84, 302415), (90, 282254), (105, 241932), (126, 201610), (140, 181449), (180, 141127), (210, 120966), (252, 100805), (315, 80644), (420, 60483), (630, 40322), (1260, 20161)]