64500640

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13901}}^1$

素因数の和:13945

約数の個数: 48

約数和(自身を含む): 157648680

約数和(自身を除く): 93148040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 13901, 27802, 55604, 69505, 111208, 139010, 222416, 278020, 403129, 444832, 556040, 806258, 1112080, 1612516, 2015645, 2224160, 3225032, 4031290, 6450064, 8062580, 12900128, 16125160, 32250320, 64500640]

約数ペア:

[(1, 64500640), (2, 32250320), (4, 16125160), (5, 12900128), (8, 8062580), (10, 6450064), (16, 4031290), (20, 3225032), (29, 2224160), (32, 2015645), (40, 1612516), (58, 1112080), (80, 806258), (116, 556040), (145, 444832), (160, 403129), (232, 278020), (290, 222416), (464, 139010), (580, 111208), (928, 69505), (1160, 55604), (2320, 27802), (4640, 13901)]