1639730080

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{25057}}^1$

素因数の和:25481

約数の個数: 48

約数和(自身を含む): 3883488840

約数和(自身を除く): 2243758760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 13088, 16360, 25057, 32720, 50114, 65440, 100228, 125285, 200456, 250570, 400912, 501140, 801824, 1002280, 2004560, 4009120, 10248313, 20496626, 40993252, 51241565, 81986504, 102483130, 163973008, 204966260, 327946016, 409932520, 819865040, 1639730080]

約数ペア:

[(1, 1639730080), (2, 819865040), (4, 409932520), (5, 327946016), (8, 204966260), (10, 163973008), (16, 102483130), (20, 81986504), (32, 51241565), (40, 40993252), (80, 20496626), (160, 10248313), (409, 4009120), (818, 2004560), (1636, 1002280), (2045, 801824), (3272, 501140), (4090, 400912), (6544, 250570), (8180, 200456), (13088, 125285), (16360, 100228), (25057, 65440), (32720, 50114)]