25584520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49201}}^1$

素因数の和:49225

約数の個数: 32

約数和(自身を含む): 61994520

約数和(自身を除く): 36410000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49201, 98402, 196804, 246005, 393608, 492010, 639613, 984020, 1279226, 1968040, 2558452, 3198065, 5116904, 6396130, 12792260, 25584520]

約数ペア:

[(1, 25584520), (2, 12792260), (4, 6396130), (5, 5116904), (8, 3198065), (10, 2558452), (13, 1968040), (20, 1279226), (26, 984020), (40, 639613), (52, 492010), (65, 393608), (104, 246005), (130, 196804), (260, 98402), (520, 49201)]