22642640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16649}}^1$

素因数の和:16679

約数の個数: 40

約数和(自身を含む): 55744200

約数和(自身を除く): 33101560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 16649, 33298, 66596, 83245, 133192, 166490, 266384, 283033, 332980, 566066, 665960, 1132132, 1331920, 1415165, 2264264, 2830330, 4528528, 5660660, 11321320, 22642640]

約数ペア:

[(1, 22642640), (2, 11321320), (4, 5660660), (5, 4528528), (8, 2830330), (10, 2264264), (16, 1415165), (17, 1331920), (20, 1132132), (34, 665960), (40, 566066), (68, 332980), (80, 283033), (85, 266384), (136, 166490), (170, 133192), (272, 83245), (340, 66596), (680, 33298), (1360, 16649)]