73887640

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3793}}^1$

素因数の和:4291

約数の個数: 32

約数和(自身を含む): 166632480

約数和(自身を除く): 92744840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3793, 3896, 4870, 7586, 9740, 15172, 18965, 19480, 30344, 37930, 75860, 151720, 1847191, 3694382, 7388764, 9235955, 14777528, 18471910, 36943820, 73887640]

約数ペア:

[(1, 73887640), (2, 36943820), (4, 18471910), (5, 14777528), (8, 9235955), (10, 7388764), (20, 3694382), (40, 1847191), (487, 151720), (974, 75860), (1948, 37930), (2435, 30344), (3793, 19480), (3896, 18965), (4870, 15172), (7586, 9740)]