86575640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 200037600

約数和(自身を除く): 113461960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 89, 166, 178, 293, 332, 356, 415, 445, 586, 664, 712, 830, 890, 1172, 1465, 1660, 1780, 2344, 2930, 3320, 3560, 5860, 7387, 11720, 14774, 24319, 26077, 29548, 36935, 48638, 52154, 59096, 73870, 97276, 104308, 121595, 130385, 147740, 194552, 208616, 243190, 260770, 295480, 486380, 521540, 972760, 1043080, 2164391, 4328782, 8657564, 10821955, 17315128, 21643910, 43287820, 86575640]

約数ペア:

[(1, 86575640), (2, 43287820), (4, 21643910), (5, 17315128), (8, 10821955), (10, 8657564), (20, 4328782), (40, 2164391), (83, 1043080), (89, 972760), (166, 521540), (178, 486380), (293, 295480), (332, 260770), (356, 243190), (415, 208616), (445, 194552), (586, 147740), (664, 130385), (712, 121595), (830, 104308), (890, 97276), (1172, 73870), (1465, 59096), (1660, 52154), (1780, 48638), (2344, 36935), (2930, 29548), (3320, 26077), (3560, 24319), (5860, 14774), (7387, 11720)]