520000256

素因数分解:

$2^8\times {\mathrm{2031251}}^1$

素因数の和:2031267

約数の個数: 18

約数和(自身を含む): 1037969772

約数和(自身を除く): 517969516

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 2031251, 4062502, 8125004, 16250008, 32500016, 65000032, 130000064, 260000128, 520000256]

約数ペア:

[(1, 520000256), (2, 260000128), (4, 130000064), (8, 65000032), (16, 32500016), (32, 16250008), (64, 8125004), (128, 4062502), (256, 2031251)]