39901808

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{40883}}^1$

素因数の和:40952

約数の個数: 20

約数和(自身を含む): 78579048

約数和(自身を除く): 38677240

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 40883, 81766, 163532, 327064, 654128, 2493863, 4987726, 9975452, 19950904, 39901808]

約数ペア:

[(1, 39901808), (2, 19950904), (4, 9975452), (8, 4987726), (16, 2493863), (61, 654128), (122, 327064), (244, 163532), (488, 81766), (976, 40883)]