40549984

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 84502656

約数和(自身を除く): 43952672

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 248, 328, 496, 656, 992, 997, 1271, 1312, 1994, 2542, 3988, 5084, 7976, 10168, 15952, 20336, 30907, 31904, 40672, 40877, 61814, 81754, 123628, 163508, 247256, 327016, 494512, 654032, 989024, 1267187, 1308064, 2534374, 5068748, 10137496, 20274992, 40549984]

約数ペア:

[(1, 40549984), (2, 20274992), (4, 10137496), (8, 5068748), (16, 2534374), (31, 1308064), (32, 1267187), (41, 989024), (62, 654032), (82, 494512), (124, 327016), (164, 247256), (248, 163508), (328, 123628), (496, 81754), (656, 61814), (992, 40877), (997, 40672), (1271, 31904), (1312, 30907), (1994, 20336), (2542, 15952), (3988, 10168), (5084, 7976)]