12560020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 29570688

約数和(自身を除く): 17010668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1543, 1628, 2035, 3086, 4070, 6172, 7715, 8140, 15430, 16973, 30860, 33946, 57091, 67892, 84865, 114182, 169730, 228364, 285455, 339460, 570910, 628001, 1141820, 1256002, 2512004, 3140005, 6280010, 12560020]

約数ペア:

[(1, 12560020), (2, 6280010), (4, 3140005), (5, 2512004), (10, 1256002), (11, 1141820), (20, 628001), (22, 570910), (37, 339460), (44, 285455), (55, 228364), (74, 169730), (110, 114182), (148, 84865), (185, 67892), (220, 57091), (370, 33946), (407, 30860), (740, 16973), (814, 15430), (1543, 8140), (1628, 7715), (2035, 6172), (3086, 4070)]