53321720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 127116000

約数和(自身を除く): 73794280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 580, 860, 1069, 1160, 1247, 1720, 2138, 2494, 4276, 4988, 5345, 6235, 8552, 9976, 10690, 12470, 21380, 24940, 31001, 42760, 45967, 49880, 62002, 91934, 124004, 155005, 183868, 229835, 248008, 310010, 367736, 459670, 620020, 919340, 1240040, 1333043, 1838680, 2666086, 5332172, 6665215, 10664344, 13330430, 26660860, 53321720]

約数ペア:

[(1, 53321720), (2, 26660860), (4, 13330430), (5, 10664344), (8, 6665215), (10, 5332172), (20, 2666086), (29, 1838680), (40, 1333043), (43, 1240040), (58, 919340), (86, 620020), (116, 459670), (145, 367736), (172, 310010), (215, 248008), (232, 229835), (290, 183868), (344, 155005), (430, 124004), (580, 91934), (860, 62002), (1069, 49880), (1160, 45967), (1247, 42760), (1720, 31001), (2138, 24940), (2494, 21380), (4276, 12470), (4988, 10690), (5345, 9976), (6235, 8552)]