64142240

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9323}}^1$

素因数の和:9381

約数の個数: 48

約数和(自身を含む): 155076768

約数和(自身を除く): 90934528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 9323, 18646, 37292, 46615, 74584, 93230, 149168, 186460, 298336, 372920, 400889, 745840, 801778, 1491680, 1603556, 2004445, 3207112, 4008890, 6414224, 8017780, 12828448, 16035560, 32071120, 64142240]

約数ペア:

[(1, 64142240), (2, 32071120), (4, 16035560), (5, 12828448), (8, 8017780), (10, 6414224), (16, 4008890), (20, 3207112), (32, 2004445), (40, 1603556), (43, 1491680), (80, 801778), (86, 745840), (160, 400889), (172, 372920), (215, 298336), (344, 186460), (430, 149168), (688, 93230), (860, 74584), (1376, 46615), (1720, 37292), (3440, 18646), (6880, 9323)]