133763440

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{18787}}^1$

素因数の和:18889

約数の個数: 40

約数和(自身を含む): 314511120

約数和(自身を除く): 180747680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 18787, 37574, 75148, 93935, 150296, 187870, 300592, 375740, 751480, 1502960, 1672043, 3344086, 6688172, 8360215, 13376344, 16720430, 26752688, 33440860, 66881720, 133763440]

約数ペア:

[(1, 133763440), (2, 66881720), (4, 33440860), (5, 26752688), (8, 16720430), (10, 13376344), (16, 8360215), (20, 6688172), (40, 3344086), (80, 1672043), (89, 1502960), (178, 751480), (356, 375740), (445, 300592), (712, 187870), (890, 150296), (1424, 93935), (1780, 75148), (3560, 37574), (7120, 18787)]