6420005720

素因数分解:

$2^3\times 5^1\times {\mathrm{160500143}}^1$

素因数の和:160500154

約数の個数: 16

約数和(自身を含む): 14445012960

約数和(自身を除く): 8025007240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 160500143, 321000286, 642000572, 802500715, 1284001144, 1605001430, 3210002860, 6420005720]

約数ペア:

[(1, 6420005720), (2, 3210002860), (4, 1605001430), (5, 1284001144), (8, 802500715), (10, 642000572), (20, 321000286), (40, 160500143)]