42163750

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:490

約数の個数: 40

約数和(自身を含む): 80130600

約数和(自身を除く): 37966850

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 379, 445, 625, 758, 890, 1250, 1895, 2225, 3790, 4450, 9475, 11125, 18950, 22250, 33731, 47375, 55625, 67462, 94750, 111250, 168655, 236875, 337310, 473750, 843275, 1686550, 4216375, 8432750, 21081875, 42163750]

約数ペア:

[(1, 42163750), (2, 21081875), (5, 8432750), (10, 4216375), (25, 1686550), (50, 843275), (89, 473750), (125, 337310), (178, 236875), (250, 168655), (379, 111250), (445, 94750), (625, 67462), (758, 55625), (890, 47375), (1250, 33731), (1895, 22250), (2225, 18950), (3790, 11125), (4450, 9475)]