28425220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49009}}^1$

素因数の和:49047

約数の個数: 24

約数和(自身を含む): 61752600

約数和(自身を除く): 33327380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 49009, 98018, 196036, 245045, 490090, 980180, 1421261, 2842522, 5685044, 7106305, 14212610, 28425220]

約数ペア:

[(1, 28425220), (2, 14212610), (4, 7106305), (5, 5685044), (10, 2842522), (20, 1421261), (29, 980180), (58, 490090), (116, 245045), (145, 196036), (290, 98018), (580, 49009)]