2021644820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1\times {\mathrm{7127}}^1$

素因数の和:8240

約数の個数: 48

約数和(自身を含む): 4576860288

約数和(自身を除く): 2555215468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1091, 2182, 4364, 5455, 7127, 10910, 14183, 14254, 21820, 28366, 28508, 35635, 56732, 70915, 71270, 92651, 141830, 142540, 185302, 283660, 370604, 463255, 926510, 1853020, 7775557, 15551114, 31102228, 38877785, 77755570, 101082241, 155511140, 202164482, 404328964, 505411205, 1010822410, 2021644820]

約数ペア:

[(1, 2021644820), (2, 1010822410), (4, 505411205), (5, 404328964), (10, 202164482), (13, 155511140), (20, 101082241), (26, 77755570), (52, 38877785), (65, 31102228), (130, 15551114), (260, 7775557), (1091, 1853020), (2182, 926510), (4364, 463255), (5455, 370604), (7127, 283660), (10910, 185302), (14183, 142540), (14254, 141830), (21820, 92651), (28366, 71270), (28508, 70915), (35635, 56732)]