127144940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{489019}}^1$

素因数の和:489041

約数の個数: 24

約数和(自身を含む): 287543760

約数和(自身を除く): 160398820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 489019, 978038, 1956076, 2445095, 4890190, 6357247, 9780380, 12714494, 25428988, 31786235, 63572470, 127144940]

約数ペア:

[(1, 127144940), (2, 63572470), (4, 31786235), (5, 25428988), (10, 12714494), (13, 9780380), (20, 6357247), (26, 4890190), (52, 2445095), (65, 1956076), (130, 978038), (260, 489019)]