40339928

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 82944000

約数和(自身を除く): 42604072

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 71, 79, 116, 124, 142, 158, 232, 248, 284, 316, 568, 632, 899, 1798, 2059, 2201, 2291, 2449, 3596, 4118, 4402, 4582, 4898, 5609, 7192, 8236, 8804, 9164, 9796, 11218, 16472, 17608, 18328, 19592, 22436, 44872, 63829, 71021, 127658, 142042, 162661, 173879, 255316, 284084, 325322, 347758, 510632, 568168, 650644, 695516, 1301288, 1391032, 5042491, 10084982, 20169964, 40339928]

約数ペア:

[(1, 40339928), (2, 20169964), (4, 10084982), (8, 5042491), (29, 1391032), (31, 1301288), (58, 695516), (62, 650644), (71, 568168), (79, 510632), (116, 347758), (124, 325322), (142, 284084), (158, 255316), (232, 173879), (248, 162661), (284, 142042), (316, 127658), (568, 71021), (632, 63829), (899, 44872), (1798, 22436), (2059, 19592), (2201, 18328), (2291, 17608), (2449, 16472), (3596, 11218), (4118, 9796), (4402, 9164), (4582, 8804), (4898, 8236), (5609, 7192)]