8416660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 20482560

約数和(自身を除く): 12065900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 761, 790, 1106, 1522, 1580, 2212, 2765, 3044, 3805, 5327, 5530, 7610, 10654, 11060, 15220, 21308, 26635, 53270, 60119, 106540, 120238, 240476, 300595, 420833, 601190, 841666, 1202380, 1683332, 2104165, 4208330, 8416660]

約数ペア:

[(1, 8416660), (2, 4208330), (4, 2104165), (5, 1683332), (7, 1202380), (10, 841666), (14, 601190), (20, 420833), (28, 300595), (35, 240476), (70, 120238), (79, 106540), (140, 60119), (158, 53270), (316, 26635), (395, 21308), (553, 15220), (761, 11060), (790, 10654), (1106, 7610), (1522, 5530), (1580, 5327), (2212, 3805), (2765, 3044)]