5455000

素因数分解:

$2^3\times 5^4\times {\mathrm{1091}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 12792780

約数和(自身を除く): 7337780

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1091, 1250, 2182, 2500, 4364, 5000, 5455, 8728, 10910, 21820, 27275, 43640, 54550, 109100, 136375, 218200, 272750, 545500, 681875, 1091000, 1363750, 2727500, 5455000]

約数ペア:

[(1, 5455000), (2, 2727500), (4, 1363750), (5, 1091000), (8, 681875), (10, 545500), (20, 272750), (25, 218200), (40, 136375), (50, 109100), (100, 54550), (125, 43640), (200, 27275), (250, 21820), (500, 10910), (625, 8728), (1000, 5455), (1091, 5000), (1250, 4364), (2182, 2500)]