26894020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 59194800

約数和(自身を除く): 32300780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 521, 580, 890, 1042, 1780, 2084, 2581, 2605, 5162, 5210, 10324, 10420, 12905, 15109, 25810, 30218, 46369, 51620, 60436, 75545, 92738, 151090, 185476, 231845, 302180, 463690, 927380, 1344701, 2689402, 5378804, 6723505, 13447010, 26894020]

約数ペア:

[(1, 26894020), (2, 13447010), (4, 6723505), (5, 5378804), (10, 2689402), (20, 1344701), (29, 927380), (58, 463690), (89, 302180), (116, 231845), (145, 185476), (178, 151090), (290, 92738), (356, 75545), (445, 60436), (521, 51620), (580, 46369), (890, 30218), (1042, 25810), (1780, 15109), (2084, 12905), (2581, 10420), (2605, 10324), (5162, 5210)]