28808750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1254

約数の個数: 40

約数和(自身を含む): 56888040

約数和(自身を除く): 28079290

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1213, 1250, 2375, 2426, 4750, 6065, 11875, 12130, 23047, 23750, 30325, 46094, 60650, 115235, 151625, 230470, 303250, 576175, 758125, 1152350, 1516250, 2880875, 5761750, 14404375, 28808750]

約数ペア:

[(1, 28808750), (2, 14404375), (5, 5761750), (10, 2880875), (19, 1516250), (25, 1152350), (38, 758125), (50, 576175), (95, 303250), (125, 230470), (190, 151625), (250, 115235), (475, 60650), (625, 46094), (950, 30325), (1213, 23750), (1250, 23047), (2375, 12130), (2426, 11875), (4750, 6065)]