80949760

素因数分解:

$2^9\times 5^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:433

約数の個数: 80

約数和(自身を含む): 196612416

約数和(自身を除く): 115662656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 307, 320, 412, 512, 515, 614, 640, 824, 1030, 1228, 1280, 1535, 1648, 2060, 2456, 2560, 3070, 3296, 4120, 4912, 6140, 6592, 8240, 9824, 12280, 13184, 16480, 19648, 24560, 26368, 31621, 32960, 39296, 49120, 52736, 63242, 65920, 78592, 98240, 126484, 131840, 157184, 158105, 196480, 252968, 263680, 316210, 392960, 505936, 632420, 785920, 1011872, 1264840, 2023744, 2529680, 4047488, 5059360, 8094976, 10118720, 16189952, 20237440, 40474880, 80949760]

約数ペア:

[(1, 80949760), (2, 40474880), (4, 20237440), (5, 16189952), (8, 10118720), (10, 8094976), (16, 5059360), (20, 4047488), (32, 2529680), (40, 2023744), (64, 1264840), (80, 1011872), (103, 785920), (128, 632420), (160, 505936), (206, 392960), (256, 316210), (307, 263680), (320, 252968), (412, 196480), (512, 158105), (515, 157184), (614, 131840), (640, 126484), (824, 98240), (1030, 78592), (1228, 65920), (1280, 63242), (1535, 52736), (1648, 49120), (2060, 39296), (2456, 32960), (2560, 31621), (3070, 26368), (3296, 24560), (4120, 19648), (4912, 16480), (6140, 13184), (6592, 12280), (8240, 9824)]