201646640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193891}}^1$

素因数の和:193917

約数の個数: 40

約数和(自身を含む): 504894768

約数和(自身を除く): 303248128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 193891, 387782, 775564, 969455, 1551128, 1938910, 2520583, 3102256, 3877820, 5041166, 7755640, 10082332, 12602915, 15511280, 20164664, 25205830, 40329328, 50411660, 100823320, 201646640]

約数ペア:

[(1, 201646640), (2, 100823320), (4, 50411660), (5, 40329328), (8, 25205830), (10, 20164664), (13, 15511280), (16, 12602915), (20, 10082332), (26, 7755640), (40, 5041166), (52, 3877820), (65, 3102256), (80, 2520583), (104, 1938910), (130, 1551128), (208, 969455), (260, 775564), (520, 387782), (1040, 193891)]