1281036140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2208683}}^1$

素因数の和:2208721

約数の個数: 24

約数和(自身を含む): 2782941840

約数和(自身を除く): 1501905700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2208683, 4417366, 8834732, 11043415, 22086830, 44173660, 64051807, 128103614, 256207228, 320259035, 640518070, 1281036140]

約数ペア:

[(1, 1281036140), (2, 640518070), (4, 320259035), (5, 256207228), (10, 128103614), (20, 64051807), (29, 44173660), (58, 22086830), (116, 11043415), (145, 8834732), (290, 4417366), (580, 2208683)]