89516440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{172147}}^1$

素因数の和:172171

約数の個数: 32

約数和(自身を含む): 216906480

約数和(自身を除く): 127390040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 172147, 344294, 688588, 860735, 1377176, 1721470, 2237911, 3442940, 4475822, 6885880, 8951644, 11189555, 17903288, 22379110, 44758220, 89516440]

約数ペア:

[(1, 89516440), (2, 44758220), (4, 22379110), (5, 17903288), (8, 11189555), (10, 8951644), (13, 6885880), (20, 4475822), (26, 3442940), (40, 2237911), (52, 1721470), (65, 1377176), (104, 860735), (130, 688588), (260, 344294), (520, 172147)]