40210820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5333}}^1$

素因数の和:5384

約数の個数: 48

約数和(自身を含む): 94091760

約数和(自身を除く): 53880940

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, 3770, 5333, 7540, 10666, 21332, 26665, 53330, 69329, 106660, 138658, 154657, 277316, 309314, 346645, 618628, 693290, 773285, 1386580, 1546570, 2010541, 3093140, 4021082, 8042164, 10052705, 20105410, 40210820]

約数ペア:

[(1, 40210820), (2, 20105410), (4, 10052705), (5, 8042164), (10, 4021082), (13, 3093140), (20, 2010541), (26, 1546570), (29, 1386580), (52, 773285), (58, 693290), (65, 618628), (116, 346645), (130, 309314), (145, 277316), (260, 154657), (290, 138658), (377, 106660), (580, 69329), (754, 53330), (1508, 26665), (1885, 21332), (3770, 10666), (5333, 7540)]