81607480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120011}}^1$

素因数の和:120039

約数の個数: 32

約数和(自身を含む): 194419440

約数和(自身を除く): 112811960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 120011, 240022, 480044, 600055, 960088, 1200110, 2040187, 2400220, 4080374, 4800440, 8160748, 10200935, 16321496, 20401870, 40803740, 81607480]

約数ペア:

[(1, 81607480), (2, 40803740), (4, 20401870), (5, 16321496), (8, 10200935), (10, 8160748), (17, 4800440), (20, 4080374), (34, 2400220), (40, 2040187), (68, 1200110), (85, 960088), (136, 600055), (170, 480044), (340, 240022), (680, 120011)]