80996864

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:357

約数の個数: 80

約数和(自身を含む): 178967712

約数和(自身を除く): 97970848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 283, 344, 416, 512, 559, 566, 688, 832, 1118, 1132, 1376, 1664, 2236, 2264, 2752, 3328, 3679, 4472, 4528, 5504, 6656, 7358, 8944, 9056, 11008, 12169, 14716, 17888, 18112, 22016, 24338, 29432, 35776, 36224, 48676, 58864, 71552, 72448, 97352, 117728, 143104, 144896, 158197, 194704, 235456, 286208, 316394, 389408, 470912, 632788, 778816, 941824, 1265576, 1557632, 1883648, 2531152, 3115264, 5062304, 6230528, 10124608, 20249216, 40498432, 80996864]

約数ペア:

[(1, 80996864), (2, 40498432), (4, 20249216), (8, 10124608), (13, 6230528), (16, 5062304), (26, 3115264), (32, 2531152), (43, 1883648), (52, 1557632), (64, 1265576), (86, 941824), (104, 778816), (128, 632788), (172, 470912), (208, 389408), (256, 316394), (283, 286208), (344, 235456), (416, 194704), (512, 158197), (559, 144896), (566, 143104), (688, 117728), (832, 97352), (1118, 72448), (1132, 71552), (1376, 58864), (1664, 48676), (2236, 36224), (2264, 35776), (2752, 29432), (3328, 24338), (3679, 22016), (4472, 18112), (4528, 17888), (5504, 14716), (6656, 12169), (7358, 11008), (8944, 9056)]