39897780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51151}}^1$

素因数の和:51176

約数の個数: 48

約数和(自身を含む): 120309504

約数和(自身を除く): 80411724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51151, 102302, 153453, 204604, 255755, 306906, 511510, 613812, 664963, 767265, 1023020, 1329926, 1534530, 1994889, 2659852, 3069060, 3324815, 3989778, 6649630, 7979556, 9974445, 13299260, 19948890, 39897780]

約数ペア:

[(1, 39897780), (2, 19948890), (3, 13299260), (4, 9974445), (5, 7979556), (6, 6649630), (10, 3989778), (12, 3324815), (13, 3069060), (15, 2659852), (20, 1994889), (26, 1534530), (30, 1329926), (39, 1023020), (52, 767265), (60, 664963), (65, 613812), (78, 511510), (130, 306906), (156, 255755), (195, 204604), (260, 153453), (390, 102302), (780, 51151)]