80196220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308447}}^1$

素因数の和:308469

約数の個数: 24

約数和(自身を含む): 181367424

約数和(自身を除く): 101171204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 308447, 616894, 1233788, 1542235, 3084470, 4009811, 6168940, 8019622, 16039244, 20049055, 40098110, 80196220]

約数ペア:

[(1, 80196220), (2, 40098110), (4, 20049055), (5, 16039244), (10, 8019622), (13, 6168940), (20, 4009811), (26, 3084470), (52, 1542235), (65, 1233788), (130, 616894), (260, 308447)]