28479811750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8763019}}^1$

素因数の和:8763049

約数の個数: 32

約数和(自身を含む): 57415307040

約数和(自身を除く): 28935495290

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8763019, 17526038, 43815095, 87630190, 113919247, 219075475, 227838494, 438150950, 569596235, 1095377375, 1139192470, 2190754750, 2847981175, 5695962350, 14239905875, 28479811750]

約数ペア:

[(1, 28479811750), (2, 14239905875), (5, 5695962350), (10, 2847981175), (13, 2190754750), (25, 1139192470), (26, 1095377375), (50, 569596235), (65, 438150950), (125, 227838494), (130, 219075475), (250, 113919247), (325, 87630190), (650, 43815095), (1625, 17526038), (3250, 8763019)]