65475920

素因数分解:

$2^4\times 5^1\times {\mathrm{881}}^1\times {\mathrm{929}}^1$

素因数の和:1823

約数の個数: 40

約数和(自身を含む): 152568360

約数和(自身を除く): 87092440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 881, 929, 1762, 1858, 3524, 3716, 4405, 4645, 7048, 7432, 8810, 9290, 14096, 14864, 17620, 18580, 35240, 37160, 70480, 74320, 818449, 1636898, 3273796, 4092245, 6547592, 8184490, 13095184, 16368980, 32737960, 65475920]

約数ペア:

[(1, 65475920), (2, 32737960), (4, 16368980), (5, 13095184), (8, 8184490), (10, 6547592), (16, 4092245), (20, 3273796), (40, 1636898), (80, 818449), (881, 74320), (929, 70480), (1762, 37160), (1858, 35240), (3524, 18580), (3716, 17620), (4405, 14864), (4645, 14096), (7048, 9290), (7432, 8810)]