38814320

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{743}}^1$

素因数の和:1409

約数の個数: 40

約数和(自身を含む): 90503136

約数和(自身を除く): 51688816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 743, 1306, 1486, 2612, 2972, 3265, 3715, 5224, 5944, 6530, 7430, 10448, 11888, 13060, 14860, 26120, 29720, 52240, 59440, 485179, 970358, 1940716, 2425895, 3881432, 4851790, 7762864, 9703580, 19407160, 38814320]

約数ペア:

[(1, 38814320), (2, 19407160), (4, 9703580), (5, 7762864), (8, 4851790), (10, 3881432), (16, 2425895), (20, 1940716), (40, 970358), (80, 485179), (653, 59440), (743, 52240), (1306, 29720), (1486, 26120), (2612, 14860), (2972, 13060), (3265, 11888), (3715, 10448), (5224, 7430), (5944, 6530)]