66282760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23339}}^1$

素因数の和:23421

約数の個数: 32

約数和(自身を含む): 151243200

約数和(自身を除く): 84960440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 23339, 46678, 93356, 116695, 186712, 233390, 466780, 933560, 1657069, 3314138, 6628276, 8285345, 13256552, 16570690, 33141380, 66282760]

約数ペア:

[(1, 66282760), (2, 33141380), (4, 16570690), (5, 13256552), (8, 8285345), (10, 6628276), (20, 3314138), (40, 1657069), (71, 933560), (142, 466780), (284, 233390), (355, 186712), (568, 116695), (710, 93356), (1420, 46678), (2840, 23339)]