25063540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 55238400

約数和(自身を除く): 30174860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 547, 580, 790, 1094, 1580, 2188, 2291, 2735, 4582, 5470, 9164, 10940, 11455, 15863, 22910, 31726, 43213, 45820, 63452, 79315, 86426, 158630, 172852, 216065, 317260, 432130, 864260, 1253177, 2506354, 5012708, 6265885, 12531770, 25063540]

約数ペア:

[(1, 25063540), (2, 12531770), (4, 6265885), (5, 5012708), (10, 2506354), (20, 1253177), (29, 864260), (58, 432130), (79, 317260), (116, 216065), (145, 172852), (158, 158630), (290, 86426), (316, 79315), (395, 63452), (547, 45820), (580, 43213), (790, 31726), (1094, 22910), (1580, 15863), (2188, 11455), (2291, 10940), (2735, 9164), (4582, 5470)]