127143640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244507}}^1$

素因数の和:244531

約数の個数: 32

約数和(自身を含む): 308080080

約数和(自身を除く): 180936440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 244507, 489014, 978028, 1222535, 1956056, 2445070, 3178591, 4890140, 6357182, 9780280, 12714364, 15892955, 25428728, 31785910, 63571820, 127143640]

約数ペア:

[(1, 127143640), (2, 63571820), (4, 31785910), (5, 25428728), (8, 15892955), (10, 12714364), (13, 9780280), (20, 6357182), (26, 4890140), (40, 3178591), (52, 2445070), (65, 1956056), (104, 1222535), (130, 978028), (260, 489014), (520, 244507)]