11891840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1093}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 30128760

約数和(自身を除く): 18236920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1093, 1360, 2176, 2186, 2720, 4372, 5440, 5465, 8744, 10880, 10930, 17488, 18581, 21860, 34976, 37162, 43720, 69952, 74324, 87440, 92905, 139904, 148648, 174880, 185810, 297296, 349760, 371620, 594592, 699520, 743240, 1189184, 1486480, 2378368, 2972960, 5945920, 11891840]

約数ペア:

[(1, 11891840), (2, 5945920), (4, 2972960), (5, 2378368), (8, 1486480), (10, 1189184), (16, 743240), (17, 699520), (20, 594592), (32, 371620), (34, 349760), (40, 297296), (64, 185810), (68, 174880), (80, 148648), (85, 139904), (128, 92905), (136, 87440), (160, 74324), (170, 69952), (272, 43720), (320, 37162), (340, 34976), (544, 21860), (640, 18581), (680, 17488), (1088, 10930), (1093, 10880), (1360, 8744), (2176, 5465), (2186, 5440), (2720, 4372)]