39895952

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1107

約数の個数: 40

約数和(自身を含む): 80562552

約数和(自身を除く): 40666600

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 488, 656, 976, 997, 1994, 2501, 3988, 5002, 7976, 10004, 15952, 20008, 40016, 40877, 60817, 81754, 121634, 163508, 243268, 327016, 486536, 654032, 973072, 2493497, 4986994, 9973988, 19947976, 39895952]

約数ペア:

[(1, 39895952), (2, 19947976), (4, 9973988), (8, 4986994), (16, 2493497), (41, 973072), (61, 654032), (82, 486536), (122, 327016), (164, 243268), (244, 163508), (328, 121634), (488, 81754), (656, 60817), (976, 40877), (997, 40016), (1994, 20008), (2501, 15952), (3988, 10004), (5002, 7976)]