72195680

素因数分解:

$2^5\times 5^1\times {\mathrm{653}}^1\times {\mathrm{691}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 171070704

約数和(自身を除く): 98875024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 653, 691, 1306, 1382, 2612, 2764, 3265, 3455, 5224, 5528, 6530, 6910, 10448, 11056, 13060, 13820, 20896, 22112, 26120, 27640, 52240, 55280, 104480, 110560, 451223, 902446, 1804892, 2256115, 3609784, 4512230, 7219568, 9024460, 14439136, 18048920, 36097840, 72195680]

約数ペア:

[(1, 72195680), (2, 36097840), (4, 18048920), (5, 14439136), (8, 9024460), (10, 7219568), (16, 4512230), (20, 3609784), (32, 2256115), (40, 1804892), (80, 902446), (160, 451223), (653, 110560), (691, 104480), (1306, 55280), (1382, 52240), (2612, 27640), (2764, 26120), (3265, 22112), (3455, 20896), (5224, 13820), (5528, 13060), (6530, 11056), (6910, 10448)]