78685840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51767}}^1$

素因数の和:51799

約数の個数: 40

約数和(自身を含む): 192576960

約数和(自身を除く): 113891120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51767, 103534, 207068, 258835, 414136, 517670, 828272, 983573, 1035340, 1967146, 2070680, 3934292, 4141360, 4917865, 7868584, 9835730, 15737168, 19671460, 39342920, 78685840]

約数ペア:

[(1, 78685840), (2, 39342920), (4, 19671460), (5, 15737168), (8, 9835730), (10, 7868584), (16, 4917865), (19, 4141360), (20, 3934292), (38, 2070680), (40, 1967146), (76, 1035340), (80, 983573), (95, 828272), (152, 517670), (190, 414136), (304, 258835), (380, 207068), (760, 103534), (1520, 51767)]