199804580

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{10163}}^1$

素因数の和:11155

約数の個数: 24

約数和(自身を含む): 420057792

約数和(自身を除く): 220253212

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 3932, 4915, 9830, 10163, 19660, 20326, 40652, 50815, 101630, 203260, 9990229, 19980458, 39960916, 49951145, 99902290, 199804580]

約数ペア:

[(1, 199804580), (2, 99902290), (4, 49951145), (5, 39960916), (10, 19980458), (20, 9990229), (983, 203260), (1966, 101630), (3932, 50815), (4915, 40652), (9830, 20326), (10163, 19660)]