56880020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 124362000

約数和(自身を除く): 67481980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 281, 290, 349, 562, 580, 698, 1124, 1396, 1405, 1745, 2810, 3490, 5620, 6980, 8149, 10121, 16298, 20242, 32596, 40484, 40745, 50605, 81490, 98069, 101210, 162980, 196138, 202420, 392276, 490345, 980690, 1961380, 2844001, 5688002, 11376004, 14220005, 28440010, 56880020]

約数ペア:

[(1, 56880020), (2, 28440010), (4, 14220005), (5, 11376004), (10, 5688002), (20, 2844001), (29, 1961380), (58, 980690), (116, 490345), (145, 392276), (281, 202420), (290, 196138), (349, 162980), (562, 101210), (580, 98069), (698, 81490), (1124, 50605), (1396, 40745), (1405, 40484), (1745, 32596), (2810, 20242), (3490, 16298), (5620, 10121), (6980, 8149)]