81104660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44563}}^1$

素因数の和:44592

約数の個数: 48

約数和(自身を含む): 209629056

約数和(自身を除く): 128524396

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 44563, 89126, 178252, 222815, 311941, 445630, 579319, 623882, 891260, 1158638, 1247764, 1559705, 2317276, 2896595, 3119410, 4055233, 5793190, 6238820, 8110466, 11586380, 16220932, 20276165, 40552330, 81104660]

約数ペア:

[(1, 81104660), (2, 40552330), (4, 20276165), (5, 16220932), (7, 11586380), (10, 8110466), (13, 6238820), (14, 5793190), (20, 4055233), (26, 3119410), (28, 2896595), (35, 2317276), (52, 1559705), (65, 1247764), (70, 1158638), (91, 891260), (130, 623882), (140, 579319), (182, 445630), (260, 311941), (364, 222815), (455, 178252), (910, 89126), (1820, 44563)]