90366520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28597}}^1$

素因数の和:28687

約数の個数: 32

約数和(自身を含む): 205905600

約数和(自身を除く): 115539080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28597, 57194, 114388, 142985, 228776, 285970, 571940, 1143880, 2259163, 4518326, 9036652, 11295815, 18073304, 22591630, 45183260, 90366520]

約数ペア:

[(1, 90366520), (2, 45183260), (4, 22591630), (5, 18073304), (8, 11295815), (10, 9036652), (20, 4518326), (40, 2259163), (79, 1143880), (158, 571940), (316, 285970), (395, 228776), (632, 142985), (790, 114388), (1580, 57194), (3160, 28597)]