201869440

素因数分解:

$2^7\times 5^1\times {\mathrm{315421}}^1$

素因数の和:315440

約数の個数: 32

約数和(自身を含む): 482595660

約数和(自身を除く): 280726220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315421, 630842, 1261684, 1577105, 2523368, 3154210, 5046736, 6308420, 10093472, 12616840, 20186944, 25233680, 40373888, 50467360, 100934720, 201869440]

約数ペア:

[(1, 201869440), (2, 100934720), (4, 50467360), (5, 40373888), (8, 25233680), (10, 20186944), (16, 12616840), (20, 10093472), (32, 6308420), (40, 5046736), (64, 3154210), (80, 2523368), (128, 1577105), (160, 1261684), (320, 630842), (640, 315421)]