25002780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:947

約数の個数: 96

約数和(自身を含む): 78236928

約数和(自身を除く): 53234148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 430, 473, 516, 645, 660, 860, 881, 946, 1290, 1419, 1762, 1892, 2365, 2580, 2643, 2838, 3524, 4405, 4730, 5286, 5676, 7095, 8810, 9460, 9691, 10572, 13215, 14190, 17620, 19382, 26430, 28380, 29073, 37883, 38764, 48455, 52860, 58146, 75766, 96910, 113649, 116292, 145365, 151532, 189415, 193820, 227298, 290730, 378830, 416713, 454596, 568245, 581460, 757660, 833426, 1136490, 1250139, 1666852, 2083565, 2272980, 2500278, 4167130, 5000556, 6250695, 8334260, 12501390, 25002780]

約数ペア:

[(1, 25002780), (2, 12501390), (3, 8334260), (4, 6250695), (5, 5000556), (6, 4167130), (10, 2500278), (11, 2272980), (12, 2083565), (15, 1666852), (20, 1250139), (22, 1136490), (30, 833426), (33, 757660), (43, 581460), (44, 568245), (55, 454596), (60, 416713), (66, 378830), (86, 290730), (110, 227298), (129, 193820), (132, 189415), (165, 151532), (172, 145365), (215, 116292), (220, 113649), (258, 96910), (330, 75766), (430, 58146), (473, 52860), (516, 48455), (645, 38764), (660, 37883), (860, 29073), (881, 28380), (946, 26430), (1290, 19382), (1419, 17620), (1762, 14190), (1892, 13215), (2365, 10572), (2580, 9691), (2643, 9460), (2838, 8810), (3524, 7095), (4405, 5676), (4730, 5286)]