3540280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 8090640

約数和(自身を除く): 4550360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1321, 1340, 2642, 2680, 5284, 6605, 10568, 13210, 26420, 52840, 88507, 177014, 354028, 442535, 708056, 885070, 1770140, 3540280]

約数ペア:

[(1, 3540280), (2, 1770140), (4, 885070), (5, 708056), (8, 442535), (10, 354028), (20, 177014), (40, 88507), (67, 52840), (134, 26420), (268, 13210), (335, 10568), (536, 6605), (670, 5284), (1321, 2680), (1340, 2642)]