68241680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65617}}^1$

素因数の和:65643

約数の個数: 40

約数和(自身を含む): 170869272

約数和(自身を除く): 102627592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65617, 131234, 262468, 328085, 524936, 656170, 853021, 1049872, 1312340, 1706042, 2624680, 3412084, 4265105, 5249360, 6824168, 8530210, 13648336, 17060420, 34120840, 68241680]

約数ペア:

[(1, 68241680), (2, 34120840), (4, 17060420), (5, 13648336), (8, 8530210), (10, 6824168), (13, 5249360), (16, 4265105), (20, 3412084), (26, 2624680), (40, 1706042), (52, 1312340), (65, 1049872), (80, 853021), (104, 656170), (130, 524936), (208, 328085), (260, 262468), (520, 131234), (1040, 65617)]