2050820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 36

約数和(自身を含む): 4486692

約数和(自身を除く): 2435872

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 1681, 2501, 3362, 5002, 6724, 8405, 10004, 12505, 16810, 25010, 33620, 50020, 102541, 205082, 410164, 512705, 1025410, 2050820]

約数ペア:

[(1, 2050820), (2, 1025410), (4, 512705), (5, 410164), (10, 205082), (20, 102541), (41, 50020), (61, 33620), (82, 25010), (122, 16810), (164, 12505), (205, 10004), (244, 8405), (305, 6724), (410, 5002), (610, 3362), (820, 2501), (1220, 1681)]