203338880

素因数分解:

$2^7\times 5^1\times {\mathrm{317717}}^1$

素因数の和:317736

約数の個数: 32

約数和(自身を含む): 486108540

約数和(自身を除く): 282769660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 317717, 635434, 1270868, 1588585, 2541736, 3177170, 5083472, 6354340, 10166944, 12708680, 20333888, 25417360, 40667776, 50834720, 101669440, 203338880]

約数ペア:

[(1, 203338880), (2, 101669440), (4, 50834720), (5, 40667776), (8, 25417360), (10, 20333888), (16, 12708680), (20, 10166944), (32, 6354340), (40, 5083472), (64, 3177170), (80, 2541736), (128, 1588585), (160, 1270868), (320, 635434), (640, 317717)]