39881312

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{20431}}^1$

素因数の和:20502

約数の個数: 24

約数和(自身を含む): 79807392

約数和(自身を除く): 39926080

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 20431, 40862, 81724, 163448, 326896, 653792, 1246291, 2492582, 4985164, 9970328, 19940656, 39881312]

約数ペア:

[(1, 39881312), (2, 19940656), (4, 9970328), (8, 4985164), (16, 2492582), (32, 1246291), (61, 653792), (122, 326896), (244, 163448), (488, 81724), (976, 40862), (1952, 20431)]