2020010375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 2723275776

約数和(自身を除く): 703265401

約数列:

[1, 5, 25, 31, 37, 73, 125, 155, 185, 193, 365, 775, 925, 965, 1147, 1825, 2263, 2701, 3875, 4625, 4825, 5735, 5983, 7141, 9125, 11315, 13505, 14089, 24125, 28675, 29915, 35705, 56575, 67525, 70445, 83731, 143375, 149575, 178525, 221371, 282875, 337625, 352225, 418655, 436759, 521293, 747875, 892625, 1106855, 1761125, 2093275, 2183795, 2606465, 5534275, 10466375, 10918975, 13032325, 16160083, 27671375, 54594875, 65161625, 80800415, 404002075, 2020010375]

約数ペア:

[(1, 2020010375), (5, 404002075), (25, 80800415), (31, 65161625), (37, 54594875), (73, 27671375), (125, 16160083), (155, 13032325), (185, 10918975), (193, 10466375), (365, 5534275), (775, 2606465), (925, 2183795), (965, 2093275), (1147, 1761125), (1825, 1106855), (2263, 892625), (2701, 747875), (3875, 521293), (4625, 436759), (4825, 418655), (5735, 352225), (5983, 337625), (7141, 282875), (9125, 221371), (11315, 178525), (13505, 149575), (14089, 143375), (24125, 83731), (28675, 70445), (29915, 67525), (35705, 56575)]