16691840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2371}}^1$

素因数の和:2401

約数の個数: 64

約数和(自身を含む): 43549920

約数和(自身を除く): 26858080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2371, 3520, 4742, 7040, 9484, 11855, 18968, 23710, 26081, 37936, 47420, 52162, 75872, 94840, 104324, 130405, 151744, 189680, 208648, 260810, 303488, 379360, 417296, 521620, 758720, 834592, 1043240, 1517440, 1669184, 2086480, 3338368, 4172960, 8345920, 16691840]

約数ペア:

[(1, 16691840), (2, 8345920), (4, 4172960), (5, 3338368), (8, 2086480), (10, 1669184), (11, 1517440), (16, 1043240), (20, 834592), (22, 758720), (32, 521620), (40, 417296), (44, 379360), (55, 303488), (64, 260810), (80, 208648), (88, 189680), (110, 151744), (128, 130405), (160, 104324), (176, 94840), (220, 75872), (320, 52162), (352, 47420), (440, 37936), (640, 26081), (704, 23710), (880, 18968), (1408, 11855), (1760, 9484), (2371, 7040), (3520, 4742)]