12999460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 28449792

約数和(自身を除く): 15450332

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 191, 205, 332, 382, 410, 415, 764, 820, 830, 955, 1660, 1910, 3403, 3820, 6806, 7831, 13612, 15662, 15853, 17015, 31324, 31706, 34030, 39155, 63412, 68060, 78310, 79265, 156620, 158530, 317060, 649973, 1299946, 2599892, 3249865, 6499730, 12999460]

約数ペア:

[(1, 12999460), (2, 6499730), (4, 3249865), (5, 2599892), (10, 1299946), (20, 649973), (41, 317060), (82, 158530), (83, 156620), (164, 79265), (166, 78310), (191, 68060), (205, 63412), (332, 39155), (382, 34030), (410, 31706), (415, 31324), (764, 17015), (820, 15853), (830, 15662), (955, 13612), (1660, 7831), (1910, 6806), (3403, 3820)]