45490000

素因数分解:

$2^4\times 5^4\times {\mathrm{4549}}^1$

素因数の和:4577

約数の個数: 50

約数和(自身を含む): 110160050

約数和(自身を除く): 64670050

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 4549, 5000, 9098, 10000, 18196, 22745, 36392, 45490, 72784, 90980, 113725, 181960, 227450, 363920, 454900, 568625, 909800, 1137250, 1819600, 2274500, 2843125, 4549000, 5686250, 9098000, 11372500, 22745000, 45490000]

約数ペア:

[(1, 45490000), (2, 22745000), (4, 11372500), (5, 9098000), (8, 5686250), (10, 4549000), (16, 2843125), (20, 2274500), (25, 1819600), (40, 1137250), (50, 909800), (80, 568625), (100, 454900), (125, 363920), (200, 227450), (250, 181960), (400, 113725), (500, 90980), (625, 72784), (1000, 45490), (1250, 36392), (2000, 22745), (2500, 18196), (4549, 10000), (5000, 9098)]