1566604867720

素因数分解:

$2^3\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{19553231}}^1$

素因数の和:19555245

約数の個数: 32

約数和(自身を含む): 3526620923520

約数和(自身を除く): 1960016055800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2003, 4006, 8012, 10015, 16024, 20030, 40060, 80120, 19553231, 39106462, 78212924, 97766155, 156425848, 195532310, 391064620, 782129240, 39165121693, 78330243386, 156660486772, 195825608465, 313320973544, 391651216930, 783302433860, 1566604867720]

約数ペア:

[(1, 1566604867720), (2, 783302433860), (4, 391651216930), (5, 313320973544), (8, 195825608465), (10, 156660486772), (20, 78330243386), (40, 39165121693), (2003, 782129240), (4006, 391064620), (8012, 195532310), (10015, 156425848), (16024, 97766155), (20030, 78212924), (40060, 39106462), (80120, 19553231)]