139819940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{537769}}^1$

素因数の和:537791

約数の個数: 24

約数和(自身を含む): 316208760

約数和(自身を除く): 176388820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 537769, 1075538, 2151076, 2688845, 5377690, 6990997, 10755380, 13981994, 27963988, 34954985, 69909970, 139819940]

約数ペア:

[(1, 139819940), (2, 69909970), (4, 34954985), (5, 27963988), (10, 13981994), (13, 10755380), (20, 6990997), (26, 5377690), (52, 2688845), (65, 2151076), (130, 1075538), (260, 537769)]