258240460

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{22613}}^1$

素因数の和:23193

約数の個数: 24

約数和(自身を含む): 543278736

約数和(自身を除く): 285038276

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 22613, 45226, 90452, 113065, 226130, 452260, 12912023, 25824046, 51648092, 64560115, 129120230, 258240460]

約数ペア:

[(1, 258240460), (2, 129120230), (4, 64560115), (5, 51648092), (10, 25824046), (20, 12912023), (571, 452260), (1142, 226130), (2284, 113065), (2855, 90452), (5710, 45226), (11420, 22613)]