91435480

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{7211}}^1$

素因数の和:7539

約数の個数: 32

約数和(自身を含む): 206407440

約数和(自身を除く): 114971960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 7211, 12680, 14422, 28844, 36055, 57688, 72110, 144220, 288440, 2285887, 4571774, 9143548, 11429435, 18287096, 22858870, 45717740, 91435480]

約数ペア:

[(1, 91435480), (2, 45717740), (4, 22858870), (5, 18287096), (8, 11429435), (10, 9143548), (20, 4571774), (40, 2285887), (317, 288440), (634, 144220), (1268, 72110), (1585, 57688), (2536, 36055), (3170, 28844), (6340, 14422), (7211, 12680)]