42387680

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 105180768

約数和(自身を除く): 62793088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 80, 86, 101, 122, 160, 172, 202, 215, 244, 305, 344, 404, 430, 488, 505, 610, 688, 808, 860, 976, 1010, 1220, 1376, 1616, 1720, 1952, 2020, 2440, 2623, 3232, 3440, 4040, 4343, 4880, 5246, 6161, 6880, 8080, 8686, 9760, 10492, 12322, 13115, 16160, 17372, 20984, 21715, 24644, 26230, 30805, 34744, 41968, 43430, 49288, 52460, 61610, 69488, 83936, 86860, 98576, 104920, 123220, 138976, 173720, 197152, 209840, 246440, 264923, 347440, 419680, 492880, 529846, 694880, 985760, 1059692, 1324615, 2119384, 2649230, 4238768, 5298460, 8477536, 10596920, 21193840, 42387680]

約数ペア:

[(1, 42387680), (2, 21193840), (4, 10596920), (5, 8477536), (8, 5298460), (10, 4238768), (16, 2649230), (20, 2119384), (32, 1324615), (40, 1059692), (43, 985760), (61, 694880), (80, 529846), (86, 492880), (101, 419680), (122, 347440), (160, 264923), (172, 246440), (202, 209840), (215, 197152), (244, 173720), (305, 138976), (344, 123220), (404, 104920), (430, 98576), (488, 86860), (505, 83936), (610, 69488), (688, 61610), (808, 52460), (860, 49288), (976, 43430), (1010, 41968), (1220, 34744), (1376, 30805), (1616, 26230), (1720, 24644), (1952, 21715), (2020, 20984), (2440, 17372), (2623, 16160), (3232, 13115), (3440, 12322), (4040, 10492), (4343, 9760), (4880, 8686), (5246, 8080), (6161, 6880)]