2020508750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{124339}}^1$

素因数の和:124374

約数の個数: 40

約数和(自身を含む): 4078600680

約数和(自身を除く): 2058091930

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8125, 16250, 124339, 248678, 621695, 1243390, 1616407, 3108475, 3232814, 6216950, 8082035, 15542375, 16164070, 31084750, 40410175, 77711875, 80820350, 155423750, 202050875, 404101750, 1010254375, 2020508750]

約数ペア:

[(1, 2020508750), (2, 1010254375), (5, 404101750), (10, 202050875), (13, 155423750), (25, 80820350), (26, 77711875), (50, 40410175), (65, 31084750), (125, 16164070), (130, 15542375), (250, 8082035), (325, 6216950), (625, 3232814), (650, 3108475), (1250, 1616407), (1625, 1243390), (3250, 621695), (8125, 248678), (16250, 124339)]