30987800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3779}}^1$

素因数の和:3836

約数の個数: 48

約数和(自身を含む): 73823400

約数和(自身を除く): 42835600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 3779, 4100, 7558, 8200, 15116, 18895, 30232, 37790, 75580, 94475, 151160, 154939, 188950, 309878, 377900, 619756, 755800, 774695, 1239512, 1549390, 3098780, 3873475, 6197560, 7746950, 15493900, 30987800]

約数ペア:

[(1, 30987800), (2, 15493900), (4, 7746950), (5, 6197560), (8, 3873475), (10, 3098780), (20, 1549390), (25, 1239512), (40, 774695), (41, 755800), (50, 619756), (82, 377900), (100, 309878), (164, 188950), (200, 154939), (205, 151160), (328, 94475), (410, 75580), (820, 37790), (1025, 30232), (1640, 18895), (2050, 15116), (3779, 8200), (4100, 7558)]