84784720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25849}}^1$

素因数の和:25903

約数の個数: 40

約数和(自身を含む): 201940200

約数和(自身を除く): 117155480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 25849, 51698, 103396, 129245, 206792, 258490, 413584, 516980, 1033960, 1059809, 2067920, 2119618, 4239236, 5299045, 8478472, 10598090, 16956944, 21196180, 42392360, 84784720]

約数ペア:

[(1, 84784720), (2, 42392360), (4, 21196180), (5, 16956944), (8, 10598090), (10, 8478472), (16, 5299045), (20, 4239236), (40, 2119618), (41, 2067920), (80, 1059809), (82, 1033960), (164, 516980), (205, 413584), (328, 258490), (410, 206792), (656, 129245), (820, 103396), (1640, 51698), (3280, 25849)]