91991960

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{10313}}^1$

素因数の和:10547

約数の個数: 32

約数和(自身を含む): 207930240

約数和(自身を除く): 115938280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 10313, 20626, 41252, 51565, 82504, 103130, 206260, 412520, 2299799, 4599598, 9199196, 11498995, 18398392, 22997990, 45995980, 91991960]

約数ペア:

[(1, 91991960), (2, 45995980), (4, 22997990), (5, 18398392), (8, 11498995), (10, 9199196), (20, 4599598), (40, 2299799), (223, 412520), (446, 206260), (892, 103130), (1115, 82504), (1784, 51565), (2230, 41252), (4460, 20626), (8920, 10313)]