16967440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 46247040

約数和(自身を除く): 29279600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 739, 820, 1148, 1435, 1478, 1640, 2296, 2870, 2956, 3280, 3695, 4592, 5173, 5740, 5912, 7390, 10346, 11480, 11824, 14780, 20692, 22960, 25865, 29560, 30299, 41384, 51730, 59120, 60598, 82768, 103460, 121196, 151495, 206920, 212093, 242392, 302990, 413840, 424186, 484784, 605980, 848372, 1060465, 1211960, 1696744, 2120930, 2423920, 3393488, 4241860, 8483720, 16967440]

約数ペア:

[(1, 16967440), (2, 8483720), (4, 4241860), (5, 3393488), (7, 2423920), (8, 2120930), (10, 1696744), (14, 1211960), (16, 1060465), (20, 848372), (28, 605980), (35, 484784), (40, 424186), (41, 413840), (56, 302990), (70, 242392), (80, 212093), (82, 206920), (112, 151495), (140, 121196), (164, 103460), (205, 82768), (280, 60598), (287, 59120), (328, 51730), (410, 41384), (560, 30299), (574, 29560), (656, 25865), (739, 22960), (820, 20692), (1148, 14780), (1435, 11824), (1478, 11480), (1640, 10346), (2296, 7390), (2870, 5912), (2956, 5740), (3280, 5173), (3695, 4592)]