80790910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1951}}^1$

素因数の和:2100

約数の個数: 32

約数和(自身を含む): 150522624

約数和(自身を除く): 69731714

約数列:

[1, 2, 5, 10, 41, 82, 101, 202, 205, 410, 505, 1010, 1951, 3902, 4141, 8282, 9755, 19510, 20705, 41410, 79991, 159982, 197051, 394102, 399955, 799910, 985255, 1970510, 8079091, 16158182, 40395455, 80790910]

約数ペア:

[(1, 80790910), (2, 40395455), (5, 16158182), (10, 8079091), (41, 1970510), (82, 985255), (101, 799910), (202, 399955), (205, 394102), (410, 197051), (505, 159982), (1010, 79991), (1951, 41410), (3902, 20705), (4141, 19510), (8282, 9755)]