40624840

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1487}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 91601280

約数和(自身を除く): 50976440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 1487, 2732, 2974, 3415, 5464, 5948, 6830, 7435, 11896, 13660, 14870, 27320, 29740, 59480, 1015621, 2031242, 4062484, 5078105, 8124968, 10156210, 20312420, 40624840]

約数ペア:

[(1, 40624840), (2, 20312420), (4, 10156210), (5, 8124968), (8, 5078105), (10, 4062484), (20, 2031242), (40, 1015621), (683, 59480), (1366, 29740), (1487, 27320), (2732, 14870), (2974, 13660), (3415, 11896), (5464, 7435), (5948, 6830)]