201420280

素因数分解:

$2^3\times 5^1\times {\mathrm{5035507}}^1$

素因数の和:5035518

約数の個数: 16

約数和(自身を含む): 453195720

約数和(自身を除く): 251775440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5035507, 10071014, 20142028, 25177535, 40284056, 50355070, 100710140, 201420280]

約数ペア:

[(1, 201420280), (2, 100710140), (4, 50355070), (5, 40284056), (8, 25177535), (10, 20142028), (20, 10071014), (40, 5035507)]