4120720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2711}}^1$

素因数の和:2743

約数の個数: 40

約数和(自身を含む): 10088640

約数和(自身を除く): 5967920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2711, 5422, 10844, 13555, 21688, 27110, 43376, 51509, 54220, 103018, 108440, 206036, 216880, 257545, 412072, 515090, 824144, 1030180, 2060360, 4120720]

約数ペア:

[(1, 4120720), (2, 2060360), (4, 1030180), (5, 824144), (8, 515090), (10, 412072), (16, 257545), (19, 216880), (20, 206036), (38, 108440), (40, 103018), (76, 54220), (80, 51509), (95, 43376), (152, 27110), (190, 21688), (304, 13555), (380, 10844), (760, 5422), (1520, 2711)]