65609680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11551}}^1$

素因数の和:11635

約数の個数: 40

約数和(自身を含む): 154704384

約数和(自身を除く): 89094704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 11551, 23102, 46204, 57755, 92408, 115510, 184816, 231020, 462040, 820121, 924080, 1640242, 3280484, 4100605, 6560968, 8201210, 13121936, 16402420, 32804840, 65609680]

約数ペア:

[(1, 65609680), (2, 32804840), (4, 16402420), (5, 13121936), (8, 8201210), (10, 6560968), (16, 4100605), (20, 3280484), (40, 1640242), (71, 924080), (80, 820121), (142, 462040), (284, 231020), (355, 184816), (568, 115510), (710, 92408), (1136, 57755), (1420, 46204), (2840, 23102), (5680, 11551)]