2021800880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{48883}}^1$

素因数の和:48954

約数の個数: 80

約数和(自身を含む): 5237236224

約数和(自身を除く): 3215435344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 2068, 2585, 3760, 4136, 5170, 8272, 10340, 20680, 41360, 48883, 97766, 195532, 244415, 391064, 488830, 537713, 782128, 977660, 1075426, 1955320, 2150852, 2297501, 2688565, 3910640, 4301704, 4595002, 5377130, 8603408, 9190004, 10754260, 11487505, 18380008, 21508520, 22975010, 25272511, 36760016, 43017040, 45950020, 50545022, 91900040, 101090044, 126362555, 183800080, 202180088, 252725110, 404360176, 505450220, 1010900440, 2021800880]

約数ペア:

[(1, 2021800880), (2, 1010900440), (4, 505450220), (5, 404360176), (8, 252725110), (10, 202180088), (11, 183800080), (16, 126362555), (20, 101090044), (22, 91900040), (40, 50545022), (44, 45950020), (47, 43017040), (55, 36760016), (80, 25272511), (88, 22975010), (94, 21508520), (110, 18380008), (176, 11487505), (188, 10754260), (220, 9190004), (235, 8603408), (376, 5377130), (440, 4595002), (470, 4301704), (517, 3910640), (752, 2688565), (880, 2297501), (940, 2150852), (1034, 1955320), (1880, 1075426), (2068, 977660), (2585, 782128), (3760, 537713), (4136, 488830), (5170, 391064), (8272, 244415), (10340, 195532), (20680, 97766), (41360, 48883)]