25538520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{30403}}^1$

素因数の和:30424

約数の個数: 64

約数和(自身を含む): 87563520

約数和(自身を除く): 62025000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 30403, 60806, 91209, 121612, 152015, 182418, 212821, 243224, 304030, 364836, 425642, 456045, 608060, 638463, 729672, 851284, 912090, 1064105, 1216120, 1276926, 1702568, 1824180, 2128210, 2553852, 3192315, 3648360, 4256420, 5107704, 6384630, 8512840, 12769260, 25538520]

約数ペア:

[(1, 25538520), (2, 12769260), (3, 8512840), (4, 6384630), (5, 5107704), (6, 4256420), (7, 3648360), (8, 3192315), (10, 2553852), (12, 2128210), (14, 1824180), (15, 1702568), (20, 1276926), (21, 1216120), (24, 1064105), (28, 912090), (30, 851284), (35, 729672), (40, 638463), (42, 608060), (56, 456045), (60, 425642), (70, 364836), (84, 304030), (105, 243224), (120, 212821), (140, 182418), (168, 152015), (210, 121612), (280, 91209), (420, 60806), (840, 30403)]