252541640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{485657}}^1$

素因数の和:485681

約数の個数: 32

約数和(自身を含む): 611929080

約数和(自身を除く): 359387440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 485657, 971314, 1942628, 2428285, 3885256, 4856570, 6313541, 9713140, 12627082, 19426280, 25254164, 31567705, 50508328, 63135410, 126270820, 252541640]

約数ペア:

[(1, 252541640), (2, 126270820), (4, 63135410), (5, 50508328), (8, 31567705), (10, 25254164), (13, 19426280), (20, 12627082), (26, 9713140), (40, 6313541), (52, 4856570), (65, 3885256), (104, 2428285), (130, 1942628), (260, 971314), (520, 485657)]