28054130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215801}}^1$

素因数の和:215821

約数の個数: 16

約数和(自身を含む): 54382104

約数和(自身を除く): 26327974

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 215801, 431602, 1079005, 2158010, 2805413, 5610826, 14027065, 28054130]

約数ペア:

[(1, 28054130), (2, 14027065), (5, 5610826), (10, 2805413), (13, 2158010), (26, 1079005), (65, 431602), (130, 215801)]