408082246720

素因数分解:

$2^6\times 5^1\times {\mathrm{1275257021}}^1$

素因数の和:1275257038

約数の個数: 28

約数和(自身を含む): 971745850764

約数和(自身を除く): 563663604044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1275257021, 2550514042, 5101028084, 6376285105, 10202056168, 12752570210, 20404112336, 25505140420, 40808224672, 51010280840, 81616449344, 102020561680, 204041123360, 408082246720]

約数ペア:

[(1, 408082246720), (2, 204041123360), (4, 102020561680), (5, 81616449344), (8, 51010280840), (10, 40808224672), (16, 25505140420), (20, 20404112336), (32, 12752570210), (40, 10202056168), (64, 6376285105), (80, 5101028084), (160, 2550514042), (320, 1275257021)]