65396680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23027}}^1$

素因数の和:23109

約数の個数: 32

約数和(自身を含む): 149221440

約数和(自身を除く): 83824760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 23027, 46054, 92108, 115135, 184216, 230270, 460540, 921080, 1634917, 3269834, 6539668, 8174585, 13079336, 16349170, 32698340, 65396680]

約数ペア:

[(1, 65396680), (2, 32698340), (4, 16349170), (5, 13079336), (8, 8174585), (10, 6539668), (20, 3269834), (40, 1634917), (71, 921080), (142, 460540), (284, 230270), (355, 184216), (568, 115135), (710, 92108), (1420, 46054), (2840, 23027)]