80735360

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1249}}^1$

素因数の和:1369

約数の個数: 64

約数和(自身を含む): 195075000

約数和(自身を除く): 114339640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1010, 1249, 1616, 2020, 2498, 3232, 4040, 4996, 6245, 6464, 8080, 9992, 12490, 12928, 16160, 19984, 24980, 32320, 39968, 49960, 64640, 79936, 99920, 126149, 159872, 199840, 252298, 399680, 504596, 630745, 799360, 1009192, 1261490, 2018384, 2522980, 4036768, 5045960, 8073536, 10091920, 16147072, 20183840, 40367680, 80735360]

約数ペア:

[(1, 80735360), (2, 40367680), (4, 20183840), (5, 16147072), (8, 10091920), (10, 8073536), (16, 5045960), (20, 4036768), (32, 2522980), (40, 2018384), (64, 1261490), (80, 1009192), (101, 799360), (128, 630745), (160, 504596), (202, 399680), (320, 252298), (404, 199840), (505, 159872), (640, 126149), (808, 99920), (1010, 79936), (1249, 64640), (1616, 49960), (2020, 39968), (2498, 32320), (3232, 24980), (4040, 19984), (4996, 16160), (6245, 12928), (6464, 12490), (8080, 9992)]