16961920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1595

約数の個数: 64

約数和(自身を含む): 42962400

約数和(自身を除く): 26000480

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, 1559, 2176, 2720, 3118, 5440, 6236, 7795, 10880, 12472, 15590, 24944, 26503, 31180, 49888, 53006, 62360, 99776, 106012, 124720, 132515, 199552, 212024, 249440, 265030, 424048, 498880, 530060, 848096, 997760, 1060120, 1696192, 2120240, 3392384, 4240480, 8480960, 16961920]

約数ペア:

[(1, 16961920), (2, 8480960), (4, 4240480), (5, 3392384), (8, 2120240), (10, 1696192), (16, 1060120), (17, 997760), (20, 848096), (32, 530060), (34, 498880), (40, 424048), (64, 265030), (68, 249440), (80, 212024), (85, 199552), (128, 132515), (136, 124720), (160, 106012), (170, 99776), (272, 62360), (320, 53006), (340, 49888), (544, 31180), (640, 26503), (680, 24944), (1088, 15590), (1360, 12472), (1559, 10880), (2176, 7795), (2720, 6236), (3118, 5440)]