39963856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 82003680

約数和(自身を除く): 42039824

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 2003, 2494, 4006, 4988, 8012, 9976, 16024, 19952, 32048, 58087, 86129, 116174, 172258, 232348, 344516, 464696, 689032, 929392, 1378064, 2497741, 4995482, 9990964, 19981928, 39963856]

約数ペア:

[(1, 39963856), (2, 19981928), (4, 9990964), (8, 4995482), (16, 2497741), (29, 1378064), (43, 929392), (58, 689032), (86, 464696), (116, 344516), (172, 232348), (232, 172258), (344, 116174), (464, 86129), (688, 58087), (1247, 32048), (2003, 19952), (2494, 16024), (4006, 9976), (4988, 8012)]