165165260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{635251}}^1$

素因数の和:635273

約数の個数: 24

約数和(自身を含む): 373528176

約数和(自身を除く): 208362916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 635251, 1270502, 2541004, 3176255, 6352510, 8258263, 12705020, 16516526, 33033052, 41291315, 82582630, 165165260]

約数ペア:

[(1, 165165260), (2, 82582630), (4, 41291315), (5, 33033052), (10, 16516526), (13, 12705020), (20, 8258263), (26, 6352510), (52, 3176255), (65, 2541004), (130, 1270502), (260, 635251)]