38874940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149519}}^1$

素因数の和:149541

約数の個数: 24

約数和(自身を含む): 87917760

約数和(自身を除く): 49042820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149519, 299038, 598076, 747595, 1495190, 1943747, 2990380, 3887494, 7774988, 9718735, 19437470, 38874940]

約数ペア:

[(1, 38874940), (2, 19437470), (4, 9718735), (5, 7774988), (10, 3887494), (13, 2990380), (20, 1943747), (26, 1495190), (52, 747595), (65, 598076), (130, 299038), (260, 149519)]