90874940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349519}}^1$

素因数の和:349541

約数の個数: 24

約数和(自身を含む): 205517760

約数和(自身を除く): 114642820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349519, 699038, 1398076, 1747595, 3495190, 4543747, 6990380, 9087494, 18174988, 22718735, 45437470, 90874940]

約数ペア:

[(1, 90874940), (2, 45437470), (4, 22718735), (5, 18174988), (10, 9087494), (13, 6990380), (20, 4543747), (26, 3495190), (52, 1747595), (65, 1398076), (130, 699038), (260, 349519)]