66427840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12211}}^1$

素因数の和:12245

約数の個数: 56

約数和(自身を含む): 167499792

約数和(自身を除く): 101071952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 12211, 24422, 48844, 61055, 97688, 122110, 195376, 207587, 244220, 390752, 415174, 488440, 781504, 830348, 976880, 1037935, 1660696, 1953760, 2075870, 3321392, 3907520, 4151740, 6642784, 8303480, 13285568, 16606960, 33213920, 66427840]

約数ペア:

[(1, 66427840), (2, 33213920), (4, 16606960), (5, 13285568), (8, 8303480), (10, 6642784), (16, 4151740), (17, 3907520), (20, 3321392), (32, 2075870), (34, 1953760), (40, 1660696), (64, 1037935), (68, 976880), (80, 830348), (85, 781504), (136, 488440), (160, 415174), (170, 390752), (272, 244220), (320, 207587), (340, 195376), (544, 122110), (680, 97688), (1088, 61055), (1360, 48844), (2720, 24422), (5440, 12211)]