51661720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117413}}^1$

素因数の和:117435

約数の個数: 32

約数和(自身を含む): 126807120

約数和(自身を除く): 75145400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117413, 234826, 469652, 587065, 939304, 1174130, 1291543, 2348260, 2583086, 4696520, 5166172, 6457715, 10332344, 12915430, 25830860, 51661720]

約数ペア:

[(1, 51661720), (2, 25830860), (4, 12915430), (5, 10332344), (8, 6457715), (10, 5166172), (11, 4696520), (20, 2583086), (22, 2348260), (40, 1291543), (44, 1174130), (55, 939304), (88, 587065), (110, 469652), (220, 234826), (440, 117413)]