78185680

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2663}}^1$

素因数の和:3043

約数の個数: 40

約数和(自身を含む): 182345472

約数和(自身を除く): 104159792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 1468, 1835, 2663, 2936, 3670, 5326, 5872, 7340, 10652, 13315, 14680, 21304, 26630, 29360, 42608, 53260, 106520, 213040, 977321, 1954642, 3909284, 4886605, 7818568, 9773210, 15637136, 19546420, 39092840, 78185680]

約数ペア:

[(1, 78185680), (2, 39092840), (4, 19546420), (5, 15637136), (8, 9773210), (10, 7818568), (16, 4886605), (20, 3909284), (40, 1954642), (80, 977321), (367, 213040), (734, 106520), (1468, 53260), (1835, 42608), (2663, 29360), (2936, 26630), (3670, 21304), (5326, 14680), (5872, 13315), (7340, 10652)]