40614280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 105920640

約数和(自身を除く): 65306360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 1987, 2044, 2555, 2920, 3974, 4088, 5110, 7948, 9935, 10220, 13909, 15896, 19870, 20440, 27818, 39740, 55636, 69545, 79480, 111272, 139090, 145051, 278180, 290102, 556360, 580204, 725255, 1015357, 1160408, 1450510, 2030714, 2901020, 4061428, 5076785, 5802040, 8122856, 10153570, 20307140, 40614280]

約数ペア:

[(1, 40614280), (2, 20307140), (4, 10153570), (5, 8122856), (7, 5802040), (8, 5076785), (10, 4061428), (14, 2901020), (20, 2030714), (28, 1450510), (35, 1160408), (40, 1015357), (56, 725255), (70, 580204), (73, 556360), (140, 290102), (146, 278180), (280, 145051), (292, 139090), (365, 111272), (511, 79480), (584, 69545), (730, 55636), (1022, 39740), (1460, 27818), (1987, 20440), (2044, 19870), (2555, 15896), (2920, 13909), (3974, 10220), (4088, 9935), (5110, 7948)]