55115720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{547}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 136123200

約数和(自身を除く): 81007480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 229, 440, 458, 547, 916, 1094, 1145, 1832, 2188, 2290, 2519, 2735, 4376, 4580, 5038, 5470, 6017, 9160, 10076, 10940, 12034, 12595, 20152, 21880, 24068, 25190, 30085, 48136, 50380, 60170, 100760, 120340, 125263, 240680, 250526, 501052, 626315, 1002104, 1252630, 1377893, 2505260, 2755786, 5010520, 5511572, 6889465, 11023144, 13778930, 27557860, 55115720]

約数ペア:

[(1, 55115720), (2, 27557860), (4, 13778930), (5, 11023144), (8, 6889465), (10, 5511572), (11, 5010520), (20, 2755786), (22, 2505260), (40, 1377893), (44, 1252630), (55, 1002104), (88, 626315), (110, 501052), (220, 250526), (229, 240680), (440, 125263), (458, 120340), (547, 100760), (916, 60170), (1094, 50380), (1145, 48136), (1832, 30085), (2188, 25190), (2290, 24068), (2519, 21880), (2735, 20152), (4376, 12595), (4580, 12034), (5038, 10940), (5470, 10076), (6017, 9160)]