13531640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 32175360

約数和(自身を除く): 18643720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 223, 296, 328, 370, 410, 446, 740, 820, 892, 1115, 1480, 1517, 1640, 1784, 2230, 3034, 4460, 6068, 7585, 8251, 8920, 9143, 12136, 15170, 16502, 18286, 30340, 33004, 36572, 41255, 45715, 60680, 66008, 73144, 82510, 91430, 165020, 182860, 330040, 338291, 365720, 676582, 1353164, 1691455, 2706328, 3382910, 6765820, 13531640]

約数ペア:

[(1, 13531640), (2, 6765820), (4, 3382910), (5, 2706328), (8, 1691455), (10, 1353164), (20, 676582), (37, 365720), (40, 338291), (41, 330040), (74, 182860), (82, 165020), (148, 91430), (164, 82510), (185, 73144), (205, 66008), (223, 60680), (296, 45715), (328, 41255), (370, 36572), (410, 33004), (446, 30340), (740, 18286), (820, 16502), (892, 15170), (1115, 12136), (1480, 9143), (1517, 8920), (1640, 8251), (1784, 7585), (2230, 6068), (3034, 4460)]