16204580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{409}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 39123840

約数和(自身を除く): 22919260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 409, 566, 818, 1132, 1415, 1636, 1981, 2045, 2830, 2863, 3962, 4090, 5660, 5726, 7924, 8180, 9905, 11452, 14315, 19810, 28630, 39620, 57260, 115747, 231494, 462988, 578735, 810229, 1157470, 1620458, 2314940, 3240916, 4051145, 8102290, 16204580]

約数ペア:

[(1, 16204580), (2, 8102290), (4, 4051145), (5, 3240916), (7, 2314940), (10, 1620458), (14, 1157470), (20, 810229), (28, 578735), (35, 462988), (70, 231494), (140, 115747), (283, 57260), (409, 39620), (566, 28630), (818, 19810), (1132, 14315), (1415, 11452), (1636, 9905), (1981, 8180), (2045, 7924), (2830, 5726), (2863, 5660), (3962, 4090)]