4036840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2347}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 9298080

約数和(自身を除く): 5261240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2347, 4694, 9388, 11735, 18776, 23470, 46940, 93880, 100921, 201842, 403684, 504605, 807368, 1009210, 2018420, 4036840]

約数ペア:

[(1, 4036840), (2, 2018420), (4, 1009210), (5, 807368), (8, 504605), (10, 403684), (20, 201842), (40, 100921), (43, 93880), (86, 46940), (172, 23470), (215, 18776), (344, 11735), (430, 9388), (860, 4694), (1720, 2347)]