8621080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 21319200

約数和(自身を除く): 12698120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 281, 295, 472, 520, 562, 590, 767, 1124, 1180, 1405, 1534, 2248, 2360, 2810, 3068, 3653, 3835, 5620, 6136, 7306, 7670, 11240, 14612, 15340, 16579, 18265, 29224, 30680, 33158, 36530, 66316, 73060, 82895, 132632, 146120, 165790, 215527, 331580, 431054, 663160, 862108, 1077635, 1724216, 2155270, 4310540, 8621080]

約数ペア:

[(1, 8621080), (2, 4310540), (4, 2155270), (5, 1724216), (8, 1077635), (10, 862108), (13, 663160), (20, 431054), (26, 331580), (40, 215527), (52, 165790), (59, 146120), (65, 132632), (104, 82895), (118, 73060), (130, 66316), (236, 36530), (260, 33158), (281, 30680), (295, 29224), (472, 18265), (520, 16579), (562, 15340), (590, 14612), (767, 11240), (1124, 7670), (1180, 7306), (1405, 6136), (1534, 5620), (2248, 3835), (2360, 3653), (2810, 3068)]