201640660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^4\times {\mathrm{353}}^1$

素因数の和:414

約数の個数: 60

約数和(自身を含む): 460030788

約数和(自身を除く): 258390128

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 353, 676, 706, 845, 1412, 1690, 1765, 2197, 3380, 3530, 4394, 4589, 7060, 8788, 9178, 10985, 18356, 21970, 22945, 28561, 43940, 45890, 57122, 59657, 91780, 114244, 119314, 142805, 238628, 285610, 298285, 571220, 596570, 775541, 1193140, 1551082, 3102164, 3877705, 7755410, 10082033, 15510820, 20164066, 40328132, 50410165, 100820330, 201640660]

約数ペア:

[(1, 201640660), (2, 100820330), (4, 50410165), (5, 40328132), (10, 20164066), (13, 15510820), (20, 10082033), (26, 7755410), (52, 3877705), (65, 3102164), (130, 1551082), (169, 1193140), (260, 775541), (338, 596570), (353, 571220), (676, 298285), (706, 285610), (845, 238628), (1412, 142805), (1690, 119314), (1765, 114244), (2197, 91780), (3380, 59657), (3530, 57122), (4394, 45890), (4589, 43940), (7060, 28561), (8788, 22945), (9178, 21970), (10985, 18356)]