39165904

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{40129}}^1$

素因数の和:40198

約数の個数: 20

約数和(自身を含む): 77129860

約数和(自身を除く): 37963956

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 40129, 80258, 160516, 321032, 642064, 2447869, 4895738, 9791476, 19582952, 39165904]

約数ペア:

[(1, 39165904), (2, 19582952), (4, 9791476), (8, 4895738), (16, 2447869), (61, 642064), (122, 321032), (244, 160516), (488, 80258), (976, 40129)]