81728200

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 201326400

約数和(自身を除く): 119598200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 109, 115, 163, 184, 200, 218, 230, 326, 436, 460, 545, 575, 652, 815, 872, 920, 1090, 1150, 1304, 1630, 2180, 2300, 2507, 2725, 3260, 3749, 4075, 4360, 4600, 5014, 5450, 6520, 7498, 8150, 10028, 10900, 12535, 14996, 16300, 17767, 18745, 20056, 21800, 25070, 29992, 32600, 35534, 37490, 50140, 62675, 71068, 74980, 88835, 93725, 100280, 125350, 142136, 149960, 177670, 187450, 250700, 355340, 374900, 408641, 444175, 501400, 710680, 749800, 817282, 888350, 1634564, 1776700, 2043205, 3269128, 3553400, 4086410, 8172820, 10216025, 16345640, 20432050, 40864100, 81728200]

約数ペア:

[(1, 81728200), (2, 40864100), (4, 20432050), (5, 16345640), (8, 10216025), (10, 8172820), (20, 4086410), (23, 3553400), (25, 3269128), (40, 2043205), (46, 1776700), (50, 1634564), (92, 888350), (100, 817282), (109, 749800), (115, 710680), (163, 501400), (184, 444175), (200, 408641), (218, 374900), (230, 355340), (326, 250700), (436, 187450), (460, 177670), (545, 149960), (575, 142136), (652, 125350), (815, 100280), (872, 93725), (920, 88835), (1090, 74980), (1150, 71068), (1304, 62675), (1630, 50140), (2180, 37490), (2300, 35534), (2507, 32600), (2725, 29992), (3260, 25070), (3749, 21800), (4075, 20056), (4360, 18745), (4600, 17767), (5014, 16300), (5450, 14996), (6520, 12535), (7498, 10900), (8150, 10028)]