19856600

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{983}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 46671120

約数和(自身を除く): 26814520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 983, 1010, 1966, 2020, 2525, 3932, 4040, 4915, 5050, 7864, 9830, 10100, 19660, 20200, 24575, 39320, 49150, 98300, 99283, 196600, 198566, 397132, 496415, 794264, 992830, 1985660, 2482075, 3971320, 4964150, 9928300, 19856600]

約数ペア:

[(1, 19856600), (2, 9928300), (4, 4964150), (5, 3971320), (8, 2482075), (10, 1985660), (20, 992830), (25, 794264), (40, 496415), (50, 397132), (100, 198566), (101, 196600), (200, 99283), (202, 98300), (404, 49150), (505, 39320), (808, 24575), (983, 20200), (1010, 19660), (1966, 10100), (2020, 9830), (2525, 7864), (3932, 5050), (4040, 4915)]