804923320

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 1831248000

約数和(自身を除く): 1026324680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 269, 313, 478, 538, 626, 956, 1076, 1195, 1252, 1345, 1565, 1912, 2152, 2390, 2504, 2690, 3130, 4780, 5380, 6260, 9560, 10760, 12520, 64291, 74807, 84197, 128582, 149614, 168394, 257164, 299228, 321455, 336788, 374035, 420985, 514328, 598456, 642910, 673576, 748070, 841970, 1285820, 1496140, 1683940, 2571640, 2992280, 3367880, 20123083, 40246166, 80492332, 100615415, 160984664, 201230830, 402461660, 804923320]

約数ペア:

[(1, 804923320), (2, 402461660), (4, 201230830), (5, 160984664), (8, 100615415), (10, 80492332), (20, 40246166), (40, 20123083), (239, 3367880), (269, 2992280), (313, 2571640), (478, 1683940), (538, 1496140), (626, 1285820), (956, 841970), (1076, 748070), (1195, 673576), (1252, 642910), (1345, 598456), (1565, 514328), (1912, 420985), (2152, 374035), (2390, 336788), (2504, 321455), (2690, 299228), (3130, 257164), (4780, 168394), (5380, 149614), (6260, 128582), (9560, 84197), (10760, 74807), (12520, 64291)]