17984440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5417}}^1$

素因数の和:5511

約数の個数: 32

約数和(自身を含む): 40960080

約数和(自身を除く): 22975640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5417, 10834, 21668, 27085, 43336, 54170, 108340, 216680, 449611, 899222, 1798444, 2248055, 3596888, 4496110, 8992220, 17984440]

約数ペア:

[(1, 17984440), (2, 8992220), (4, 4496110), (5, 3596888), (8, 2248055), (10, 1798444), (20, 899222), (40, 449611), (83, 216680), (166, 108340), (332, 54170), (415, 43336), (664, 27085), (830, 21668), (1660, 10834), (3320, 5417)]