54664220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210247}}^1$

素因数の和:210269

約数の個数: 24

約数和(自身を含む): 123625824

約数和(自身を除く): 68961604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 210247, 420494, 840988, 1051235, 2102470, 2733211, 4204940, 5466422, 10932844, 13666055, 27332110, 54664220]

約数ペア:

[(1, 54664220), (2, 27332110), (4, 13666055), (5, 10932844), (10, 5466422), (13, 4204940), (20, 2733211), (26, 2102470), (52, 1051235), (65, 840988), (130, 420494), (260, 210247)]