53665720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 126735840

約数和(自身を除く): 73070120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 761, 820, 860, 1522, 1640, 1720, 1763, 3044, 3526, 3805, 6088, 7052, 7610, 8815, 14104, 15220, 17630, 30440, 31201, 32723, 35260, 62402, 65446, 70520, 124804, 130892, 156005, 163615, 249608, 261784, 312010, 327230, 624020, 654460, 1248040, 1308920, 1341643, 2683286, 5366572, 6708215, 10733144, 13416430, 26832860, 53665720]

約数ペア:

[(1, 53665720), (2, 26832860), (4, 13416430), (5, 10733144), (8, 6708215), (10, 5366572), (20, 2683286), (40, 1341643), (41, 1308920), (43, 1248040), (82, 654460), (86, 624020), (164, 327230), (172, 312010), (205, 261784), (215, 249608), (328, 163615), (344, 156005), (410, 130892), (430, 124804), (761, 70520), (820, 65446), (860, 62402), (1522, 35260), (1640, 32723), (1720, 31201), (1763, 30440), (3044, 17630), (3526, 15220), (3805, 14104), (6088, 8815), (7052, 7610)]