31690040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1607}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 78148800

約数和(自身を除く): 46458760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1607, 1972, 2465, 3214, 3944, 4930, 6428, 8035, 9860, 12856, 16070, 19720, 27319, 32140, 46603, 54638, 64280, 93206, 109276, 136595, 186412, 218552, 233015, 273190, 372824, 466030, 546380, 792251, 932060, 1092760, 1584502, 1864120, 3169004, 3961255, 6338008, 7922510, 15845020, 31690040]

約数ペア:

[(1, 31690040), (2, 15845020), (4, 7922510), (5, 6338008), (8, 3961255), (10, 3169004), (17, 1864120), (20, 1584502), (29, 1092760), (34, 932060), (40, 792251), (58, 546380), (68, 466030), (85, 372824), (116, 273190), (136, 233015), (145, 218552), (170, 186412), (232, 136595), (290, 109276), (340, 93206), (493, 64280), (580, 54638), (680, 46603), (986, 32140), (1160, 27319), (1607, 19720), (1972, 16070), (2465, 12856), (3214, 9860), (3944, 8035), (4930, 6428)]