744996880

素因数分解:

$2^4\times 5^1\times {\mathrm{9312461}}^1$

素因数の和:9312474

約数の個数: 20

約数和(自身を含む): 1732117932

約数和(自身を除く): 987121052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9312461, 18624922, 37249844, 46562305, 74499688, 93124610, 148999376, 186249220, 372498440, 744996880]

約数ペア:

[(1, 744996880), (2, 372498440), (4, 186249220), (5, 148999376), (8, 93124610), (10, 74499688), (16, 46562305), (20, 37249844), (40, 18624922), (80, 9312461)]