81482020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5099}}^1$

素因数の和:5172

約数の個数: 48

約数和(自身を含む): 185068800

約数和(自身を除く): 103586780

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, 5099, 7990, 10198, 15980, 20396, 25495, 50990, 86683, 101980, 173366, 239653, 346732, 433415, 479306, 866830, 958612, 1198265, 1733660, 2396530, 4074101, 4793060, 8148202, 16296404, 20370505, 40741010, 81482020]

約数ペア:

[(1, 81482020), (2, 40741010), (4, 20370505), (5, 16296404), (10, 8148202), (17, 4793060), (20, 4074101), (34, 2396530), (47, 1733660), (68, 1198265), (85, 958612), (94, 866830), (170, 479306), (188, 433415), (235, 346732), (340, 239653), (470, 173366), (799, 101980), (940, 86683), (1598, 50990), (3196, 25495), (3995, 20396), (5099, 15980), (7990, 10198)]