13180420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 30453696

約数和(自身を除く): 17273276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 331, 362, 662, 724, 905, 1324, 1655, 1810, 1991, 3310, 3620, 3641, 3982, 6620, 7282, 7964, 9955, 14564, 18205, 19910, 36410, 39820, 59911, 72820, 119822, 239644, 299555, 599110, 659021, 1198220, 1318042, 2636084, 3295105, 6590210, 13180420]

約数ペア:

[(1, 13180420), (2, 6590210), (4, 3295105), (5, 2636084), (10, 1318042), (11, 1198220), (20, 659021), (22, 599110), (44, 299555), (55, 239644), (110, 119822), (181, 72820), (220, 59911), (331, 39820), (362, 36410), (662, 19910), (724, 18205), (905, 14564), (1324, 9955), (1655, 7964), (1810, 7282), (1991, 6620), (3310, 3982), (3620, 3641)]