204037760

素因数分解:

$2^7\times 5^1\times {\mathrm{318809}}^1$

素因数の和:318828

約数の個数: 32

約数和(自身を含む): 487779300

約数和(自身を除く): 283741540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 318809, 637618, 1275236, 1594045, 2550472, 3188090, 5100944, 6376180, 10201888, 12752360, 20403776, 25504720, 40807552, 51009440, 102018880, 204037760]

約数ペア:

[(1, 204037760), (2, 102018880), (4, 51009440), (5, 40807552), (8, 25504720), (10, 20403776), (16, 12752360), (20, 10201888), (32, 6376180), (40, 5100944), (64, 3188090), (80, 2550472), (128, 1594045), (160, 1275236), (320, 637618), (640, 318809)]