131405920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{48311}}^1$

素因数の和:48343

約数の個数: 48

約数和(自身を含む): 328714848

約数和(自身を除く): 197308928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 48311, 96622, 193244, 241555, 386488, 483110, 772976, 821287, 966220, 1545952, 1642574, 1932440, 3285148, 3864880, 4106435, 6570296, 7729760, 8212870, 13140592, 16425740, 26281184, 32851480, 65702960, 131405920]

約数ペア:

[(1, 131405920), (2, 65702960), (4, 32851480), (5, 26281184), (8, 16425740), (10, 13140592), (16, 8212870), (17, 7729760), (20, 6570296), (32, 4106435), (34, 3864880), (40, 3285148), (68, 1932440), (80, 1642574), (85, 1545952), (136, 966220), (160, 821287), (170, 772976), (272, 483110), (340, 386488), (544, 241555), (680, 193244), (1360, 96622), (2720, 48311)]