1049065840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{304961}}^1$

素因数の和:305017

約数の個数: 40

約数和(自身を含む): 2495809008

約数和(自身を除く): 1446743168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 304961, 609922, 1219844, 1524805, 2439688, 3049610, 4879376, 6099220, 12198440, 13113323, 24396880, 26226646, 52453292, 65566615, 104906584, 131133230, 209813168, 262266460, 524532920, 1049065840]

約数ペア:

[(1, 1049065840), (2, 524532920), (4, 262266460), (5, 209813168), (8, 131133230), (10, 104906584), (16, 65566615), (20, 52453292), (40, 26226646), (43, 24396880), (80, 13113323), (86, 12198440), (172, 6099220), (215, 4879376), (344, 3049610), (430, 2439688), (688, 1524805), (860, 1219844), (1720, 609922), (3440, 304961)]