30221440

素因数分解:

$2^7\times 5^1\times {\mathrm{47221}}^1$

素因数の和:47240

約数の個数: 32

約数和(自身を含む): 72249660

約数和(自身を除く): 42028220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 47221, 94442, 188884, 236105, 377768, 472210, 755536, 944420, 1511072, 1888840, 3022144, 3777680, 6044288, 7555360, 15110720, 30221440]

約数ペア:

[(1, 30221440), (2, 15110720), (4, 7555360), (5, 6044288), (8, 3777680), (10, 3022144), (16, 1888840), (20, 1511072), (32, 944420), (40, 755536), (64, 472210), (80, 377768), (128, 236105), (160, 188884), (320, 94442), (640, 47221)]