12987640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 32140800

約数和(自身を除く): 19153160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 743, 760, 874, 920, 1486, 1748, 2185, 2972, 3496, 3715, 4370, 5944, 7430, 8740, 14117, 14860, 17089, 17480, 28234, 29720, 34178, 56468, 68356, 70585, 85445, 112936, 136712, 141170, 170890, 282340, 324691, 341780, 564680, 649382, 683560, 1298764, 1623455, 2597528, 3246910, 6493820, 12987640]

約数ペア:

[(1, 12987640), (2, 6493820), (4, 3246910), (5, 2597528), (8, 1623455), (10, 1298764), (19, 683560), (20, 649382), (23, 564680), (38, 341780), (40, 324691), (46, 282340), (76, 170890), (92, 141170), (95, 136712), (115, 112936), (152, 85445), (184, 70585), (190, 68356), (230, 56468), (380, 34178), (437, 29720), (460, 28234), (743, 17480), (760, 17089), (874, 14860), (920, 14117), (1486, 8740), (1748, 7430), (2185, 5944), (2972, 4370), (3496, 3715)]