12640368

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 35997696

約数和(自身を除く): 23357328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 47, 48, 52, 78, 94, 104, 141, 156, 188, 208, 282, 312, 376, 431, 564, 611, 624, 752, 862, 1128, 1222, 1293, 1724, 1833, 2256, 2444, 2586, 3448, 3666, 4888, 5172, 5603, 6896, 7332, 9776, 10344, 11206, 14664, 16809, 20257, 20688, 22412, 29328, 33618, 40514, 44824, 60771, 67236, 81028, 89648, 121542, 134472, 162056, 243084, 263341, 268944, 324112, 486168, 526682, 790023, 972336, 1053364, 1580046, 2106728, 3160092, 4213456, 6320184, 12640368]

約数ペア:

[(1, 12640368), (2, 6320184), (3, 4213456), (4, 3160092), (6, 2106728), (8, 1580046), (12, 1053364), (13, 972336), (16, 790023), (24, 526682), (26, 486168), (39, 324112), (47, 268944), (48, 263341), (52, 243084), (78, 162056), (94, 134472), (104, 121542), (141, 89648), (156, 81028), (188, 67236), (208, 60771), (282, 44824), (312, 40514), (376, 33618), (431, 29328), (564, 22412), (611, 20688), (624, 20257), (752, 16809), (862, 14664), (1128, 11206), (1222, 10344), (1293, 9776), (1724, 7332), (1833, 6896), (2256, 5603), (2444, 5172), (2586, 4888), (3448, 3666)]