10978480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1259}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 25779600

約数和(自身を除く): 14801120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1259, 1744, 2180, 2518, 4360, 5036, 6295, 8720, 10072, 12590, 20144, 25180, 50360, 100720, 137231, 274462, 548924, 686155, 1097848, 1372310, 2195696, 2744620, 5489240, 10978480]

約数ペア:

[(1, 10978480), (2, 5489240), (4, 2744620), (5, 2195696), (8, 1372310), (10, 1097848), (16, 686155), (20, 548924), (40, 274462), (80, 137231), (109, 100720), (218, 50360), (436, 25180), (545, 20144), (872, 12590), (1090, 10072), (1259, 8720), (1744, 6295), (2180, 5036), (2518, 4360)]