12453740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2521}}^1$

素因数の和:2562

約数の個数: 48

約数和(自身を含む): 29658720

約数和(自身を除く): 17204980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2521, 4940, 5042, 10084, 12605, 25210, 32773, 47899, 50420, 65546, 95798, 131092, 163865, 191596, 239495, 327730, 478990, 622687, 655460, 957980, 1245374, 2490748, 3113435, 6226870, 12453740]

約数ペア:

[(1, 12453740), (2, 6226870), (4, 3113435), (5, 2490748), (10, 1245374), (13, 957980), (19, 655460), (20, 622687), (26, 478990), (38, 327730), (52, 239495), (65, 191596), (76, 163865), (95, 131092), (130, 95798), (190, 65546), (247, 50420), (260, 47899), (380, 32773), (494, 25210), (988, 12605), (1235, 10084), (2470, 5042), (2521, 4940)]