80900330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2971}}^1$

素因数の和:3374

約数の個数: 32

約数和(自身を含む): 166907520

約数和(自身を除く): 86007190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 778, 1945, 2723, 2971, 3890, 5446, 5942, 13615, 14855, 20797, 27230, 29710, 41594, 103985, 207970, 1155719, 2311438, 5778595, 8090033, 11557190, 16180066, 40450165, 80900330]

約数ペア:

[(1, 80900330), (2, 40450165), (5, 16180066), (7, 11557190), (10, 8090033), (14, 5778595), (35, 2311438), (70, 1155719), (389, 207970), (778, 103985), (1945, 41594), (2723, 29710), (2971, 27230), (3890, 20797), (5446, 14855), (5942, 13615)]