28146820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3733}}^1$

素因数の和:3784

約数の個数: 48

約数和(自身を含む): 65867760

約数和(自身を除く): 37720940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3733, 3770, 7466, 7540, 14932, 18665, 37330, 48529, 74660, 97058, 108257, 194116, 216514, 242645, 433028, 485290, 541285, 970580, 1082570, 1407341, 2165140, 2814682, 5629364, 7036705, 14073410, 28146820]

約数ペア:

[(1, 28146820), (2, 14073410), (4, 7036705), (5, 5629364), (10, 2814682), (13, 2165140), (20, 1407341), (26, 1082570), (29, 970580), (52, 541285), (58, 485290), (65, 433028), (116, 242645), (130, 216514), (145, 194116), (260, 108257), (290, 97058), (377, 74660), (580, 48529), (754, 37330), (1508, 18665), (1885, 14932), (3733, 7540), (3770, 7466)]