80905895

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1367}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 118195200

約数和(自身を除く): 37289305

約数列:

[1, 5, 7, 19, 35, 89, 95, 133, 445, 623, 665, 1367, 1691, 3115, 6835, 8455, 9569, 11837, 25973, 47845, 59185, 121663, 129865, 181811, 608315, 851641, 909055, 2311597, 4258205, 11557985, 16181179, 80905895]

約数ペア:

[(1, 80905895), (5, 16181179), (7, 11557985), (19, 4258205), (35, 2311597), (89, 909055), (95, 851641), (133, 608315), (445, 181811), (623, 129865), (665, 121663), (1367, 59185), (1691, 47845), (3115, 25973), (6835, 11837), (8455, 9569)]