2005392800

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{47297}}^1$

素因数の和:47370

約数の個数: 72

約数和(自身を含む): 4988141676

約数和(自身を除く): 2982748876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 530, 800, 848, 1060, 1325, 1696, 2120, 2650, 4240, 5300, 8480, 10600, 21200, 42400, 47297, 94594, 189188, 236485, 378376, 472970, 756752, 945940, 1182425, 1513504, 1891880, 2364850, 2506741, 3783760, 4729700, 5013482, 7567520, 9459400, 10026964, 12533705, 18918800, 20053928, 25067410, 37837600, 40107856, 50134820, 62668525, 80215712, 100269640, 125337050, 200539280, 250674100, 401078560, 501348200, 1002696400, 2005392800]

約数ペア:

[(1, 2005392800), (2, 1002696400), (4, 501348200), (5, 401078560), (8, 250674100), (10, 200539280), (16, 125337050), (20, 100269640), (25, 80215712), (32, 62668525), (40, 50134820), (50, 40107856), (53, 37837600), (80, 25067410), (100, 20053928), (106, 18918800), (160, 12533705), (200, 10026964), (212, 9459400), (265, 7567520), (400, 5013482), (424, 4729700), (530, 3783760), (800, 2506741), (848, 2364850), (1060, 1891880), (1325, 1513504), (1696, 1182425), (2120, 945940), (2650, 756752), (4240, 472970), (5300, 378376), (8480, 236485), (10600, 189188), (21200, 94594), (42400, 47297)]