87150020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{82217}}^1$

素因数の和:82279

約数の個数: 24

約数和(自身を含む): 186470424

約数和(自身を除く): 99320404

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 82217, 164434, 328868, 411085, 822170, 1644340, 4357501, 8715002, 17430004, 21787505, 43575010, 87150020]

約数ペア:

[(1, 87150020), (2, 43575010), (4, 21787505), (5, 17430004), (10, 8715002), (20, 4357501), (53, 1644340), (106, 822170), (212, 411085), (265, 328868), (530, 164434), (1060, 82217)]