128564320

素因数分解:

$2^5\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1021}}^1$

素因数の和:1823

約数の個数: 48

約数和(自身を含む): 304417008

約数和(自身を除く): 175852688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 787, 1021, 1574, 2042, 3148, 3935, 4084, 5105, 6296, 7870, 8168, 10210, 12592, 15740, 16336, 20420, 25184, 31480, 32672, 40840, 62960, 81680, 125920, 163360, 803527, 1607054, 3214108, 4017635, 6428216, 8035270, 12856432, 16070540, 25712864, 32141080, 64282160, 128564320]

約数ペア:

[(1, 128564320), (2, 64282160), (4, 32141080), (5, 25712864), (8, 16070540), (10, 12856432), (16, 8035270), (20, 6428216), (32, 4017635), (40, 3214108), (80, 1607054), (160, 803527), (787, 163360), (1021, 125920), (1574, 81680), (2042, 62960), (3148, 40840), (3935, 32672), (4084, 31480), (5105, 25184), (6296, 20420), (7870, 16336), (8168, 15740), (10210, 12592)]