12909440

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 32240160

約数和(自身を除く): 19330720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 877, 920, 1472, 1754, 1840, 2944, 3508, 3680, 4385, 7016, 7360, 8770, 14032, 14720, 17540, 20171, 28064, 35080, 40342, 56128, 70160, 80684, 100855, 112256, 140320, 161368, 201710, 280640, 322736, 403420, 561280, 645472, 806840, 1290944, 1613680, 2581888, 3227360, 6454720, 12909440]

約数ペア:

[(1, 12909440), (2, 6454720), (4, 3227360), (5, 2581888), (8, 1613680), (10, 1290944), (16, 806840), (20, 645472), (23, 561280), (32, 403420), (40, 322736), (46, 280640), (64, 201710), (80, 161368), (92, 140320), (115, 112256), (128, 100855), (160, 80684), (184, 70160), (230, 56128), (320, 40342), (368, 35080), (460, 28064), (640, 20171), (736, 17540), (877, 14720), (920, 14032), (1472, 8770), (1754, 7360), (1840, 7016), (2944, 4385), (3508, 3680)]