71725520

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1373}}^1$

素因数の和:2039

約数の個数: 40

約数和(自身を含む): 167138856

約数和(自身を除く): 95413336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 1373, 2612, 2746, 3265, 5224, 5492, 6530, 6865, 10448, 10984, 13060, 13730, 21968, 26120, 27460, 52240, 54920, 109840, 896569, 1793138, 3586276, 4482845, 7172552, 8965690, 14345104, 17931380, 35862760, 71725520]

約数ペア:

[(1, 71725520), (2, 35862760), (4, 17931380), (5, 14345104), (8, 8965690), (10, 7172552), (16, 4482845), (20, 3586276), (40, 1793138), (80, 896569), (653, 109840), (1306, 54920), (1373, 52240), (2612, 27460), (2746, 26120), (3265, 21968), (5224, 13730), (5492, 13060), (6530, 10984), (6865, 10448)]