39656840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24181}}^1$

素因数の和:24233

約数の個数: 32

約数和(自身を含む): 91407960

約数和(自身を除く): 51751120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24181, 48362, 96724, 120905, 193448, 241810, 483620, 967240, 991421, 1982842, 3965684, 4957105, 7931368, 9914210, 19828420, 39656840]

約数ペア:

[(1, 39656840), (2, 19828420), (4, 9914210), (5, 7931368), (8, 4957105), (10, 3965684), (20, 1982842), (40, 991421), (41, 967240), (82, 483620), (164, 241810), (205, 193448), (328, 120905), (410, 96724), (820, 48362), (1640, 24181)]