16789760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1043

約数の個数: 72

約数和(自身を含む): 43353240

約数和(自身を除く): 26563480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1009, 1040, 1280, 1664, 2018, 2080, 3328, 4036, 4160, 5045, 8072, 8320, 10090, 13117, 16144, 16640, 20180, 26234, 32288, 40360, 52468, 64576, 65585, 80720, 104936, 129152, 131170, 161440, 209872, 258304, 262340, 322880, 419744, 524680, 645760, 839488, 1049360, 1291520, 1678976, 2098720, 3357952, 4197440, 8394880, 16789760]

約数ペア:

[(1, 16789760), (2, 8394880), (4, 4197440), (5, 3357952), (8, 2098720), (10, 1678976), (13, 1291520), (16, 1049360), (20, 839488), (26, 645760), (32, 524680), (40, 419744), (52, 322880), (64, 262340), (65, 258304), (80, 209872), (104, 161440), (128, 131170), (130, 129152), (160, 104936), (208, 80720), (256, 65585), (260, 64576), (320, 52468), (416, 40360), (520, 32288), (640, 26234), (832, 20180), (1009, 16640), (1040, 16144), (1280, 13117), (1664, 10090), (2018, 8320), (2080, 8072), (3328, 5045), (4036, 4160)]