25840020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1787}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 72692928

約数和(自身を除く): 46852908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1446, 1787, 2410, 2892, 3574, 3615, 4820, 5361, 7148, 7230, 8935, 10722, 14460, 17870, 21444, 26805, 35740, 53610, 107220, 430667, 861334, 1292001, 1722668, 2153335, 2584002, 4306670, 5168004, 6460005, 8613340, 12920010, 25840020]

約数ペア:

[(1, 25840020), (2, 12920010), (3, 8613340), (4, 6460005), (5, 5168004), (6, 4306670), (10, 2584002), (12, 2153335), (15, 1722668), (20, 1292001), (30, 861334), (60, 430667), (241, 107220), (482, 53610), (723, 35740), (964, 26805), (1205, 21444), (1446, 17870), (1787, 14460), (2410, 10722), (2892, 8935), (3574, 7230), (3615, 7148), (4820, 5361)]