11966978560

素因数分解:

$2^9\times 5^1\times {\mathrm{239}}^1\times {\mathrm{19559}}^1$

素因数の和:19821

約数の個数: 80

約数和(自身を含む): 28814227200

約数和(自身を除く): 16847248640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 256, 320, 478, 512, 640, 956, 1195, 1280, 1912, 2390, 2560, 3824, 4780, 7648, 9560, 15296, 19120, 19559, 30592, 38240, 39118, 61184, 76480, 78236, 97795, 122368, 152960, 156472, 195590, 305920, 312944, 391180, 611840, 625888, 782360, 1251776, 1564720, 2503552, 3129440, 4674601, 5007104, 6258880, 9349202, 10014208, 12517760, 18698404, 23373005, 25035520, 37396808, 46746010, 50071040, 74793616, 93492020, 149587232, 186984040, 299174464, 373968080, 598348928, 747936160, 1196697856, 1495872320, 2393395712, 2991744640, 5983489280, 11966978560]

約数ペア:

[(1, 11966978560), (2, 5983489280), (4, 2991744640), (5, 2393395712), (8, 1495872320), (10, 1196697856), (16, 747936160), (20, 598348928), (32, 373968080), (40, 299174464), (64, 186984040), (80, 149587232), (128, 93492020), (160, 74793616), (239, 50071040), (256, 46746010), (320, 37396808), (478, 25035520), (512, 23373005), (640, 18698404), (956, 12517760), (1195, 10014208), (1280, 9349202), (1912, 6258880), (2390, 5007104), (2560, 4674601), (3824, 3129440), (4780, 2503552), (7648, 1564720), (9560, 1251776), (15296, 782360), (19120, 625888), (19559, 611840), (30592, 391180), (38240, 312944), (39118, 305920), (61184, 195590), (76480, 156472), (78236, 152960), (97795, 122368)]