8383640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6761}}^1$

素因数の和:6803

約数の個数: 32

約数和(自身を含む): 19474560

約数和(自身を除く): 11090920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6761, 13522, 27044, 33805, 54088, 67610, 135220, 209591, 270440, 419182, 838364, 1047955, 1676728, 2095910, 4191820, 8383640]

約数ペア:

[(1, 8383640), (2, 4191820), (4, 2095910), (5, 1676728), (8, 1047955), (10, 838364), (20, 419182), (31, 270440), (40, 209591), (62, 135220), (124, 67610), (155, 54088), (248, 33805), (310, 27044), (620, 13522), (1240, 6761)]