65502020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4099}}^1$

素因数の和:4172

約数の個数: 48

約数和(自身を含む): 148780800

約数和(自身を除く): 83278780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 4099, 7990, 8198, 15980, 16396, 20495, 40990, 69683, 81980, 139366, 192653, 278732, 348415, 385306, 696830, 770612, 963265, 1393660, 1926530, 3275101, 3853060, 6550202, 13100404, 16375505, 32751010, 65502020]

約数ペア:

[(1, 65502020), (2, 32751010), (4, 16375505), (5, 13100404), (10, 6550202), (17, 3853060), (20, 3275101), (34, 1926530), (47, 1393660), (68, 963265), (85, 770612), (94, 696830), (170, 385306), (188, 348415), (235, 278732), (340, 192653), (470, 139366), (799, 81980), (940, 69683), (1598, 40990), (3196, 20495), (3995, 16396), (4099, 15980), (7990, 8198)]