868996880

素因数分解:

$2^4\times 5^1\times {\mathrm{10862461}}^1$

素因数の和:10862474

約数の個数: 20

約数和(自身を含む): 2020417932

約数和(自身を除く): 1151421052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10862461, 21724922, 43449844, 54312305, 86899688, 108624610, 173799376, 217249220, 434498440, 868996880]

約数ペア:

[(1, 868996880), (2, 434498440), (4, 217249220), (5, 173799376), (8, 108624610), (10, 86899688), (16, 54312305), (20, 43449844), (40, 21724922), (80, 10862461)]