139040320

素因数分解:

$2^6\times 5^1\times {\mathrm{434501}}^1$

素因数の和:434518

約数の個数: 28

約数和(自身を含む): 331090524

約数和(自身を除く): 192050204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 434501, 869002, 1738004, 2172505, 3476008, 4345010, 6952016, 8690020, 13904032, 17380040, 27808064, 34760080, 69520160, 139040320]

約数ペア:

[(1, 139040320), (2, 69520160), (4, 34760080), (5, 27808064), (8, 17380040), (10, 13904032), (16, 8690020), (20, 6952016), (32, 4345010), (40, 3476008), (64, 2172505), (80, 1738004), (160, 869002), (320, 434501)]