12136820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^2$

素因数の和:129

約数の個数: 54

約数和(自身を含む): 27571446

約数和(自身を除く): 15434626

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 361, 380, 410, 722, 779, 820, 1444, 1558, 1681, 1805, 3116, 3362, 3610, 3895, 6724, 7220, 7790, 8405, 14801, 15580, 16810, 29602, 31939, 33620, 59204, 63878, 74005, 127756, 148010, 159695, 296020, 319390, 606841, 638780, 1213682, 2427364, 3034205, 6068410, 12136820]

約数ペア:

[(1, 12136820), (2, 6068410), (4, 3034205), (5, 2427364), (10, 1213682), (19, 638780), (20, 606841), (38, 319390), (41, 296020), (76, 159695), (82, 148010), (95, 127756), (164, 74005), (190, 63878), (205, 59204), (361, 33620), (380, 31939), (410, 29602), (722, 16810), (779, 15580), (820, 14801), (1444, 8405), (1558, 7790), (1681, 7220), (1805, 6724), (3116, 3895), (3362, 3610)]