2049348520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{4561}}^1$

素因数の和:4858

約数の個数: 64

約数和(自身を含む): 4729881600

約数和(自身を除く): 2680533080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 239, 376, 470, 478, 940, 956, 1195, 1880, 1912, 2390, 4561, 4780, 9122, 9560, 11233, 18244, 22466, 22805, 36488, 44932, 45610, 56165, 89864, 91220, 112330, 182440, 214367, 224660, 428734, 449320, 857468, 1071835, 1090079, 1714936, 2143670, 2180158, 4287340, 4360316, 5450395, 8574680, 8720632, 10900790, 21801580, 43603160, 51233713, 102467426, 204934852, 256168565, 409869704, 512337130, 1024674260, 2049348520]

約数ペア:

[(1, 2049348520), (2, 1024674260), (4, 512337130), (5, 409869704), (8, 256168565), (10, 204934852), (20, 102467426), (40, 51233713), (47, 43603160), (94, 21801580), (188, 10900790), (235, 8720632), (239, 8574680), (376, 5450395), (470, 4360316), (478, 4287340), (940, 2180158), (956, 2143670), (1195, 1714936), (1880, 1090079), (1912, 1071835), (2390, 857468), (4561, 449320), (4780, 428734), (9122, 224660), (9560, 214367), (11233, 182440), (18244, 112330), (22466, 91220), (22805, 89864), (36488, 56165), (44932, 45610)]