64077520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61613}}^1$

素因数の和:61639

約数の個数: 40

約数和(自身を含む): 160442856

約数和(自身を除く): 96365336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 61613, 123226, 246452, 308065, 492904, 616130, 800969, 985808, 1232260, 1601938, 2464520, 3203876, 4004845, 4929040, 6407752, 8009690, 12815504, 16019380, 32038760, 64077520]

約数ペア:

[(1, 64077520), (2, 32038760), (4, 16019380), (5, 12815504), (8, 8009690), (10, 6407752), (13, 4929040), (16, 4004845), (20, 3203876), (26, 2464520), (40, 1601938), (52, 1232260), (65, 985808), (80, 800969), (104, 616130), (130, 492904), (208, 308065), (260, 246452), (520, 123226), (1040, 61613)]