729040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 1828008

約数和(自身を除く): 1098968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 701, 1040, 1402, 2804, 3505, 5608, 7010, 9113, 11216, 14020, 18226, 28040, 36452, 45565, 56080, 72904, 91130, 145808, 182260, 364520, 729040]

約数ペア:

[(1, 729040), (2, 364520), (4, 182260), (5, 145808), (8, 91130), (10, 72904), (13, 56080), (16, 45565), (20, 36452), (26, 28040), (40, 18226), (52, 14020), (65, 11216), (80, 9113), (104, 7010), (130, 5608), (208, 3505), (260, 2804), (520, 1402), (701, 1040)]