80960672

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10243}}^1$

素因数の和:10285

約数の個数: 48

約数和(自身を含む): 180704160

約数和(自身を除く): 99743488

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 10243, 20486, 40972, 81944, 133159, 163888, 194617, 266318, 327776, 389234, 532636, 778468, 1065272, 1556936, 2130544, 2530021, 3113872, 4261088, 5060042, 6227744, 10120084, 20240168, 40480336, 80960672]

約数ペア:

[(1, 80960672), (2, 40480336), (4, 20240168), (8, 10120084), (13, 6227744), (16, 5060042), (19, 4261088), (26, 3113872), (32, 2530021), (38, 2130544), (52, 1556936), (76, 1065272), (104, 778468), (152, 532636), (208, 389234), (247, 327776), (304, 266318), (416, 194617), (494, 163888), (608, 133159), (988, 81944), (1976, 40972), (3952, 20486), (7904, 10243)]