65577280

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2029}}^1$

素因数の和:2147

約数の個数: 56

約数和(自身を含む): 157779720

約数和(自身を除く): 92202440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 2029, 3232, 4040, 4058, 6464, 8080, 8116, 10145, 16160, 16232, 20290, 32320, 32464, 40580, 64928, 81160, 129856, 162320, 204929, 324640, 409858, 649280, 819716, 1024645, 1639432, 2049290, 3278864, 4098580, 6557728, 8197160, 13115456, 16394320, 32788640, 65577280]

約数ペア:

[(1, 65577280), (2, 32788640), (4, 16394320), (5, 13115456), (8, 8197160), (10, 6557728), (16, 4098580), (20, 3278864), (32, 2049290), (40, 1639432), (64, 1024645), (80, 819716), (101, 649280), (160, 409858), (202, 324640), (320, 204929), (404, 162320), (505, 129856), (808, 81160), (1010, 64928), (1616, 40580), (2020, 32464), (2029, 32320), (3232, 20290), (4040, 16232), (4058, 16160), (6464, 10145), (8080, 8116)]