81923660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45013}}^1$

素因数の和:45042

約数の個数: 48

約数和(自身を含む): 211745856

約数和(自身を除く): 129822196

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 45013, 90026, 180052, 225065, 315091, 450130, 585169, 630182, 900260, 1170338, 1260364, 1575455, 2340676, 2925845, 3150910, 4096183, 5851690, 6301820, 8192366, 11703380, 16384732, 20480915, 40961830, 81923660]

約数ペア:

[(1, 81923660), (2, 40961830), (4, 20480915), (5, 16384732), (7, 11703380), (10, 8192366), (13, 6301820), (14, 5851690), (20, 4096183), (26, 3150910), (28, 2925845), (35, 2340676), (52, 1575455), (65, 1260364), (70, 1170338), (91, 900260), (130, 630182), (140, 585169), (182, 450130), (260, 315091), (364, 225065), (455, 180052), (910, 90026), (1820, 45013)]