99105920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9109}}^1$

素因数の和:9145

約数の個数: 64

約数和(自身を含む): 250889400

約数和(自身を除く): 151783480

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, 1360, 2176, 2720, 5440, 9109, 10880, 18218, 36436, 45545, 72872, 91090, 145744, 154853, 182180, 291488, 309706, 364360, 582976, 619412, 728720, 774265, 1165952, 1238824, 1457440, 1548530, 2477648, 2914880, 3097060, 4955296, 5829760, 6194120, 9910592, 12388240, 19821184, 24776480, 49552960, 99105920]

約数ペア:

[(1, 99105920), (2, 49552960), (4, 24776480), (5, 19821184), (8, 12388240), (10, 9910592), (16, 6194120), (17, 5829760), (20, 4955296), (32, 3097060), (34, 2914880), (40, 2477648), (64, 1548530), (68, 1457440), (80, 1238824), (85, 1165952), (128, 774265), (136, 728720), (160, 619412), (170, 582976), (272, 364360), (320, 309706), (340, 291488), (544, 182180), (640, 154853), (680, 145744), (1088, 91090), (1360, 72872), (2176, 45545), (2720, 36436), (5440, 18218), (9109, 10880)]