12956960

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1723}}^1$

素因数の和:1785

約数の個数: 48

約数和(自身を含む): 31280256

約数和(自身を除く): 18323296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1723, 1880, 3446, 3760, 6892, 7520, 8615, 13784, 17230, 27568, 34460, 55136, 68920, 80981, 137840, 161962, 275680, 323924, 404905, 647848, 809810, 1295696, 1619620, 2591392, 3239240, 6478480, 12956960]

約数ペア:

[(1, 12956960), (2, 6478480), (4, 3239240), (5, 2591392), (8, 1619620), (10, 1295696), (16, 809810), (20, 647848), (32, 404905), (40, 323924), (47, 275680), (80, 161962), (94, 137840), (160, 80981), (188, 68920), (235, 55136), (376, 34460), (470, 27568), (752, 17230), (940, 13784), (1504, 8615), (1723, 7520), (1880, 6892), (3446, 3760)]