2016203920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{2861}}^1$

素因数の和:3280

約数の個数: 80

約数和(自身を含む): 4905971712

約数和(自身を除く): 2889767792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 383, 460, 766, 920, 1532, 1840, 1915, 2861, 3064, 3830, 5722, 6128, 7660, 8809, 11444, 14305, 15320, 17618, 22888, 28610, 30640, 35236, 44045, 45776, 57220, 65803, 70472, 88090, 114440, 131606, 140944, 176180, 228880, 263212, 329015, 352360, 526424, 658030, 704720, 1052848, 1095763, 1316060, 2191526, 2632120, 4383052, 5264240, 5478815, 8766104, 10957630, 17532208, 21915260, 25202549, 43830520, 50405098, 87661040, 100810196, 126012745, 201620392, 252025490, 403240784, 504050980, 1008101960, 2016203920]

約数ペア:

[(1, 2016203920), (2, 1008101960), (4, 504050980), (5, 403240784), (8, 252025490), (10, 201620392), (16, 126012745), (20, 100810196), (23, 87661040), (40, 50405098), (46, 43830520), (80, 25202549), (92, 21915260), (115, 17532208), (184, 10957630), (230, 8766104), (368, 5478815), (383, 5264240), (460, 4383052), (766, 2632120), (920, 2191526), (1532, 1316060), (1840, 1095763), (1915, 1052848), (2861, 704720), (3064, 658030), (3830, 526424), (5722, 352360), (6128, 329015), (7660, 263212), (8809, 228880), (11444, 176180), (14305, 140944), (15320, 131606), (17618, 114440), (22888, 88090), (28610, 70472), (30640, 65803), (35236, 57220), (44045, 45776)]