71565520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68813}}^1$

素因数の和:68839

約数の個数: 40

約数和(自身を含む): 179191656

約数和(自身を除く): 107626136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68813, 137626, 275252, 344065, 550504, 688130, 894569, 1101008, 1376260, 1789138, 2752520, 3578276, 4472845, 5505040, 7156552, 8945690, 14313104, 17891380, 35782760, 71565520]

約数ペア:

[(1, 71565520), (2, 35782760), (4, 17891380), (5, 14313104), (8, 8945690), (10, 7156552), (13, 5505040), (16, 4472845), (20, 3578276), (26, 2752520), (40, 1789138), (52, 1376260), (65, 1101008), (80, 894569), (104, 688130), (130, 550504), (208, 344065), (260, 275252), (520, 137626), (1040, 68813)]