12509920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1907}}^1$

素因数の和:1963

約数の個数: 48

約数和(自身を含む): 30291408

約数和(自身を除く): 17781488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 1907, 3280, 3814, 6560, 7628, 9535, 15256, 19070, 30512, 38140, 61024, 76280, 78187, 152560, 156374, 305120, 312748, 390935, 625496, 781870, 1250992, 1563740, 2501984, 3127480, 6254960, 12509920]

約数ペア:

[(1, 12509920), (2, 6254960), (4, 3127480), (5, 2501984), (8, 1563740), (10, 1250992), (16, 781870), (20, 625496), (32, 390935), (40, 312748), (41, 305120), (80, 156374), (82, 152560), (160, 78187), (164, 76280), (205, 61024), (328, 38140), (410, 30512), (656, 19070), (820, 15256), (1312, 9535), (1640, 7628), (1907, 6560), (3280, 3814)]