39252280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16087}}^1$

素因数の和:16159

約数の個数: 32

約数和(自身を含む): 89771040

約数和(自身を除く): 50518760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 16087, 32174, 64348, 80435, 128696, 160870, 321740, 643480, 981307, 1962614, 3925228, 4906535, 7850456, 9813070, 19626140, 39252280]

約数ペア:

[(1, 39252280), (2, 19626140), (4, 9813070), (5, 7850456), (8, 4906535), (10, 3925228), (20, 1962614), (40, 981307), (61, 643480), (122, 321740), (244, 160870), (305, 128696), (488, 80435), (610, 64348), (1220, 32174), (2440, 16087)]