20200160

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 48045312

約数和(自身を除く): 27845152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 661, 764, 955, 1322, 1528, 1910, 2644, 3056, 3305, 3820, 5288, 6112, 6610, 7640, 10576, 13220, 15280, 21152, 26440, 30560, 52880, 105760, 126251, 252502, 505004, 631255, 1010008, 1262510, 2020016, 2525020, 4040032, 5050040, 10100080, 20200160]

約数ペア:

[(1, 20200160), (2, 10100080), (4, 5050040), (5, 4040032), (8, 2525020), (10, 2020016), (16, 1262510), (20, 1010008), (32, 631255), (40, 505004), (80, 252502), (160, 126251), (191, 105760), (382, 52880), (661, 30560), (764, 26440), (955, 21152), (1322, 15280), (1528, 13220), (1910, 10576), (2644, 7640), (3056, 6610), (3305, 6112), (3820, 5288)]