78066080

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1229}}^1$

素因数の和:1641

約数の個数: 48

約数和(自身を含む): 185046120

約数和(自身を除く): 106980040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1229, 1588, 1985, 2458, 3176, 3970, 4916, 6145, 6352, 7940, 9832, 12290, 12704, 15880, 19664, 24580, 31760, 39328, 49160, 63520, 98320, 196640, 487913, 975826, 1951652, 2439565, 3903304, 4879130, 7806608, 9758260, 15613216, 19516520, 39033040, 78066080]

約数ペア:

[(1, 78066080), (2, 39033040), (4, 19516520), (5, 15613216), (8, 9758260), (10, 7806608), (16, 4879130), (20, 3903304), (32, 2439565), (40, 1951652), (80, 975826), (160, 487913), (397, 196640), (794, 98320), (1229, 63520), (1588, 49160), (1985, 39328), (2458, 31760), (3176, 24580), (3970, 19664), (4916, 15880), (6145, 12704), (6352, 12290), (7940, 9832)]