4492640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 10877328

約数和(自身を除く): 6384688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 653, 688, 860, 1306, 1376, 1720, 2612, 3265, 3440, 5224, 6530, 6880, 10448, 13060, 20896, 26120, 28079, 52240, 56158, 104480, 112316, 140395, 224632, 280790, 449264, 561580, 898528, 1123160, 2246320, 4492640]

約数ペア:

[(1, 4492640), (2, 2246320), (4, 1123160), (5, 898528), (8, 561580), (10, 449264), (16, 280790), (20, 224632), (32, 140395), (40, 112316), (43, 104480), (80, 56158), (86, 52240), (160, 28079), (172, 26120), (215, 20896), (344, 13060), (430, 10448), (653, 6880), (688, 6530), (860, 5224), (1306, 3440), (1376, 3265), (1720, 2612)]