162439940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{624769}}^1$

素因数の和:624791

約数の個数: 24

約数和(自身を含む): 367364760

約数和(自身を除く): 204924820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 624769, 1249538, 2499076, 3123845, 6247690, 8121997, 12495380, 16243994, 32487988, 40609985, 81219970, 162439940]

約数ペア:

[(1, 162439940), (2, 81219970), (4, 40609985), (5, 32487988), (10, 16243994), (13, 12495380), (20, 8121997), (26, 6247690), (52, 3123845), (65, 2499076), (130, 1249538), (260, 624769)]