71225180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{273943}}^1$

素因数の和:273965

約数の個数: 24

約数和(自身を含む): 161079072

約数和(自身を除く): 89853892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 273943, 547886, 1095772, 1369715, 2739430, 3561259, 5478860, 7122518, 14245036, 17806295, 35612590, 71225180]

約数ペア:

[(1, 71225180), (2, 35612590), (4, 17806295), (5, 14245036), (10, 7122518), (13, 5478860), (20, 3561259), (26, 2739430), (52, 1369715), (65, 1095772), (130, 547886), (260, 273943)]