2079642040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{11551}}^1$

素因数の和:12212

約数の個数: 64

約数和(自身を含む): 5356431360

約数和(自身を除く): 3276789320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 643, 1286, 2572, 3215, 4501, 5144, 6430, 9002, 11551, 12860, 18004, 22505, 23102, 25720, 36008, 45010, 46204, 57755, 80857, 90020, 92408, 115510, 161714, 180040, 231020, 323428, 404285, 462040, 646856, 808570, 1617140, 3234280, 7427293, 14854586, 29709172, 37136465, 51991051, 59418344, 74272930, 103982102, 148545860, 207964204, 259955255, 297091720, 415928408, 519910510, 1039821020, 2079642040]

約数ペア:

[(1, 2079642040), (2, 1039821020), (4, 519910510), (5, 415928408), (7, 297091720), (8, 259955255), (10, 207964204), (14, 148545860), (20, 103982102), (28, 74272930), (35, 59418344), (40, 51991051), (56, 37136465), (70, 29709172), (140, 14854586), (280, 7427293), (643, 3234280), (1286, 1617140), (2572, 808570), (3215, 646856), (4501, 462040), (5144, 404285), (6430, 323428), (9002, 231020), (11551, 180040), (12860, 161714), (18004, 115510), (22505, 92408), (23102, 90020), (25720, 80857), (36008, 57755), (45010, 46204)]