51164680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{509}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 132192000

約数和(自身を除く): 81027320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 509, 718, 1018, 1436, 1795, 2036, 2513, 2545, 2872, 3563, 3590, 4072, 5026, 5090, 7126, 7180, 10052, 10180, 12565, 14252, 14360, 17815, 20104, 20360, 25130, 28504, 35630, 50260, 71260, 100520, 142520, 182731, 365462, 730924, 913655, 1279117, 1461848, 1827310, 2558234, 3654620, 5116468, 6395585, 7309240, 10232936, 12791170, 25582340, 51164680]

約数ペア:

[(1, 51164680), (2, 25582340), (4, 12791170), (5, 10232936), (7, 7309240), (8, 6395585), (10, 5116468), (14, 3654620), (20, 2558234), (28, 1827310), (35, 1461848), (40, 1279117), (56, 913655), (70, 730924), (140, 365462), (280, 182731), (359, 142520), (509, 100520), (718, 71260), (1018, 50260), (1436, 35630), (1795, 28504), (2036, 25130), (2513, 20360), (2545, 20104), (2872, 17815), (3563, 14360), (3590, 14252), (4072, 12565), (5026, 10180), (5090, 10052), (7126, 7180)]