12539440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3823}}^1$

素因数の和:3877

約数の個数: 40

約数和(自身を含む): 29873088

約数和(自身を除く): 17333648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3823, 7646, 15292, 19115, 30584, 38230, 61168, 76460, 152920, 156743, 305840, 313486, 626972, 783715, 1253944, 1567430, 2507888, 3134860, 6269720, 12539440]

約数ペア:

[(1, 12539440), (2, 6269720), (4, 3134860), (5, 2507888), (8, 1567430), (10, 1253944), (16, 783715), (20, 626972), (40, 313486), (41, 305840), (80, 156743), (82, 152920), (164, 76460), (205, 61168), (328, 38230), (410, 30584), (656, 19115), (820, 15292), (1640, 7646), (3280, 3823)]