31668760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12979}}^1$

素因数の和:13051

約数の個数: 32

約数和(自身を含む): 72428400

約数和(自身を除く): 40759640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12979, 25958, 51916, 64895, 103832, 129790, 259580, 519160, 791719, 1583438, 3166876, 3958595, 6333752, 7917190, 15834380, 31668760]

約数ペア:

[(1, 31668760), (2, 15834380), (4, 7917190), (5, 6333752), (8, 3958595), (10, 3166876), (20, 1583438), (40, 791719), (61, 519160), (122, 259580), (244, 129790), (305, 103832), (488, 64895), (610, 51916), (1220, 25958), (2440, 12979)]