43149220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 93922416

約数和(自身を除く): 50773196

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 404, 410, 505, 521, 820, 1010, 1042, 2020, 2084, 2605, 4141, 5210, 8282, 10420, 16564, 20705, 21361, 41410, 42722, 52621, 82820, 85444, 105242, 106805, 210484, 213610, 263105, 427220, 526210, 1052420, 2157461, 4314922, 8629844, 10787305, 21574610, 43149220]

約数ペア:

[(1, 43149220), (2, 21574610), (4, 10787305), (5, 8629844), (10, 4314922), (20, 2157461), (41, 1052420), (82, 526210), (101, 427220), (164, 263105), (202, 213610), (205, 210484), (404, 106805), (410, 105242), (505, 85444), (521, 82820), (820, 52621), (1010, 42722), (1042, 41410), (2020, 21361), (2084, 20705), (2605, 16564), (4141, 10420), (5210, 8282)]