12901120

素因数分解:

$2^8\times 5^1\times {\mathrm{10079}}^1$

素因数の和:10100

約数の個数: 36

約数和(自身を含む): 30905280

約数和(自身を除く): 18004160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10079, 20158, 40316, 50395, 80632, 100790, 161264, 201580, 322528, 403160, 645056, 806320, 1290112, 1612640, 2580224, 3225280, 6450560, 12901120]

約数ペア:

[(1, 12901120), (2, 6450560), (4, 3225280), (5, 2580224), (8, 1612640), (10, 1290112), (16, 806320), (20, 645056), (32, 403160), (40, 322528), (64, 201580), (80, 161264), (128, 100790), (160, 80632), (256, 50395), (320, 40316), (640, 20158), (1280, 10079)]