12558640

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{877}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 29395440

約数和(自身を除く): 16836800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 877, 895, 1432, 1754, 1790, 2864, 3508, 3580, 4385, 7016, 7160, 8770, 14032, 14320, 17540, 35080, 70160, 156983, 313966, 627932, 784915, 1255864, 1569830, 2511728, 3139660, 6279320, 12558640]

約数ペア:

[(1, 12558640), (2, 6279320), (4, 3139660), (5, 2511728), (8, 1569830), (10, 1255864), (16, 784915), (20, 627932), (40, 313966), (80, 156983), (179, 70160), (358, 35080), (716, 17540), (877, 14320), (895, 14032), (1432, 8770), (1754, 7160), (1790, 7016), (2864, 4385), (3508, 3580)]