31507120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23167}}^1$

素因数の和:23197

約数の個数: 40

約数和(自身を含む): 77566464

約数和(自身を除く): 46059344

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23167, 46334, 92668, 115835, 185336, 231670, 370672, 393839, 463340, 787678, 926680, 1575356, 1853360, 1969195, 3150712, 3938390, 6301424, 7876780, 15753560, 31507120]

約数ペア:

[(1, 31507120), (2, 15753560), (4, 7876780), (5, 6301424), (8, 3938390), (10, 3150712), (16, 1969195), (17, 1853360), (20, 1575356), (34, 926680), (40, 787678), (68, 463340), (80, 393839), (85, 370672), (136, 231670), (170, 185336), (272, 115835), (340, 92668), (680, 46334), (1360, 23167)]