2098508750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1575

約数の個数: 80

約数和(自身を含む): 4286565360

約数和(自身を除く): 2188056610

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 125, 130, 178, 250, 325, 445, 625, 650, 890, 1157, 1250, 1451, 1625, 2225, 2314, 2902, 3250, 4450, 5785, 7255, 8125, 11125, 11570, 14510, 16250, 18863, 22250, 28925, 36275, 37726, 55625, 57850, 72550, 94315, 111250, 129139, 144625, 181375, 188630, 258278, 289250, 362750, 471575, 645695, 723125, 906875, 943150, 1291390, 1446250, 1678807, 1813750, 2357875, 3228475, 3357614, 4715750, 6456950, 8394035, 11789375, 16142375, 16788070, 23578750, 32284750, 41970175, 80711875, 83940350, 161423750, 209850875, 419701750, 1049254375, 2098508750]

約数ペア:

[(1, 2098508750), (2, 1049254375), (5, 419701750), (10, 209850875), (13, 161423750), (25, 83940350), (26, 80711875), (50, 41970175), (65, 32284750), (89, 23578750), (125, 16788070), (130, 16142375), (178, 11789375), (250, 8394035), (325, 6456950), (445, 4715750), (625, 3357614), (650, 3228475), (890, 2357875), (1157, 1813750), (1250, 1678807), (1451, 1446250), (1625, 1291390), (2225, 943150), (2314, 906875), (2902, 723125), (3250, 645695), (4450, 471575), (5785, 362750), (7255, 289250), (8125, 258278), (11125, 188630), (11570, 181375), (14510, 144625), (16250, 129139), (18863, 111250), (22250, 94315), (28925, 72550), (36275, 57850), (37726, 55625)]