20152960

素因数分解:

$2^7\times 5^1\times {\mathrm{31489}}^1$

素因数の和:31508

約数の個数: 32

約数和(自身を含む): 48179700

約数和(自身を除く): 28026740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31489, 62978, 125956, 157445, 251912, 314890, 503824, 629780, 1007648, 1259560, 2015296, 2519120, 4030592, 5038240, 10076480, 20152960]

約数ペア:

[(1, 20152960), (2, 10076480), (4, 5038240), (5, 4030592), (8, 2519120), (10, 2015296), (16, 1259560), (20, 1007648), (32, 629780), (40, 503824), (64, 314890), (80, 251912), (128, 157445), (160, 125956), (320, 62978), (640, 31489)]