24942680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 64584000

約数和(自身を除く): 39641320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 389, 458, 778, 916, 1145, 1556, 1603, 1832, 1945, 2290, 2723, 3112, 3206, 3890, 4580, 5446, 6412, 7780, 8015, 9160, 10892, 12824, 13615, 15560, 16030, 21784, 27230, 32060, 54460, 64120, 89081, 108920, 178162, 356324, 445405, 623567, 712648, 890810, 1247134, 1781620, 2494268, 3117835, 3563240, 4988536, 6235670, 12471340, 24942680]

約数ペア:

[(1, 24942680), (2, 12471340), (4, 6235670), (5, 4988536), (7, 3563240), (8, 3117835), (10, 2494268), (14, 1781620), (20, 1247134), (28, 890810), (35, 712648), (40, 623567), (56, 445405), (70, 356324), (140, 178162), (229, 108920), (280, 89081), (389, 64120), (458, 54460), (778, 32060), (916, 27230), (1145, 21784), (1556, 16030), (1603, 15560), (1832, 13615), (1945, 12824), (2290, 10892), (2723, 9160), (3112, 8015), (3206, 7780), (3890, 6412), (4580, 5446)]