42155720

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4373}}^1$

素因数の和:4625

約数の個数: 32

約数和(自身を含む): 95265720

約数和(自身を除く): 53110000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4373, 4820, 8746, 9640, 17492, 21865, 34984, 43730, 87460, 174920, 1053893, 2107786, 4215572, 5269465, 8431144, 10538930, 21077860, 42155720]

約数ペア:

[(1, 42155720), (2, 21077860), (4, 10538930), (5, 8431144), (8, 5269465), (10, 4215572), (20, 2107786), (40, 1053893), (241, 174920), (482, 87460), (964, 43730), (1205, 34984), (1928, 21865), (2410, 17492), (4373, 9640), (4820, 8746)]