12679460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 28539840

約数和(自身を除く): 15860380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 547, 610, 1094, 1159, 1220, 2188, 2318, 2735, 4636, 5470, 5795, 10393, 10940, 11590, 20786, 23180, 33367, 41572, 51965, 66734, 103930, 133468, 166835, 207860, 333670, 633973, 667340, 1267946, 2535892, 3169865, 6339730, 12679460]

約数ペア:

[(1, 12679460), (2, 6339730), (4, 3169865), (5, 2535892), (10, 1267946), (19, 667340), (20, 633973), (38, 333670), (61, 207860), (76, 166835), (95, 133468), (122, 103930), (190, 66734), (244, 51965), (305, 41572), (380, 33367), (547, 23180), (610, 20786), (1094, 11590), (1159, 10940), (1220, 10393), (2188, 5795), (2318, 5470), (2735, 4636)]