54495220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209597}}^1$

素因数の和:209619

約数の個数: 24

約数和(自身を含む): 123243624

約数和(自身を除く): 68748404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 209597, 419194, 838388, 1047985, 2095970, 2724761, 4191940, 5449522, 10899044, 13623805, 27247610, 54495220]

約数ペア:

[(1, 54495220), (2, 27247610), (4, 13623805), (5, 10899044), (10, 5449522), (13, 4191940), (20, 2724761), (26, 2095970), (52, 1047985), (65, 838388), (130, 419194), (260, 209597)]