83560760

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3259}}^1$

素因数の和:3911

約数の個数: 32

約数和(自身を含む): 188362800

約数和(自身を除く): 104802040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 3259, 5128, 6410, 6518, 12820, 13036, 16295, 25640, 26072, 32590, 65180, 130360, 2089019, 4178038, 8356076, 10445095, 16712152, 20890190, 41780380, 83560760]

約数ペア:

[(1, 83560760), (2, 41780380), (4, 20890190), (5, 16712152), (8, 10445095), (10, 8356076), (20, 4178038), (40, 2089019), (641, 130360), (1282, 65180), (2564, 32590), (3205, 26072), (3259, 25640), (5128, 16295), (6410, 13036), (6518, 12820)]