201589720

素因数分解:

$2^3\times 5^1\times {\mathrm{5039743}}^1$

素因数の和:5039754

約数の個数: 16

約数和(自身を含む): 453576960

約数和(自身を除く): 251987240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5039743, 10079486, 20158972, 25198715, 40317944, 50397430, 100794860, 201589720]

約数ペア:

[(1, 201589720), (2, 100794860), (4, 50397430), (5, 40317944), (8, 25198715), (10, 20158972), (20, 10079486), (40, 5039743)]