211514560

素因数分解:

$2^6\times 5^1\times {\mathrm{660983}}^1$

素因数の和:661000

約数の個数: 28

約数和(自身を含む): 503669808

約数和(自身を除く): 292155248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 660983, 1321966, 2643932, 3304915, 5287864, 6609830, 10575728, 13219660, 21151456, 26439320, 42302912, 52878640, 105757280, 211514560]

約数ペア:

[(1, 211514560), (2, 105757280), (4, 52878640), (5, 42302912), (8, 26439320), (10, 21151456), (16, 13219660), (20, 10575728), (32, 6609830), (40, 5287864), (64, 3304915), (80, 2643932), (160, 1321966), (320, 660983)]