27672920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 68666400

約数和(自身を除く): 40993480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 577, 872, 1090, 1154, 1199, 2180, 2308, 2398, 2885, 4360, 4616, 4796, 5770, 5995, 6347, 9592, 11540, 11990, 12694, 23080, 23980, 25388, 31735, 47960, 50776, 62893, 63470, 125786, 126940, 251572, 253880, 314465, 503144, 628930, 691823, 1257860, 1383646, 2515720, 2767292, 3459115, 5534584, 6918230, 13836460, 27672920]

約数ペア:

[(1, 27672920), (2, 13836460), (4, 6918230), (5, 5534584), (8, 3459115), (10, 2767292), (11, 2515720), (20, 1383646), (22, 1257860), (40, 691823), (44, 628930), (55, 503144), (88, 314465), (109, 253880), (110, 251572), (218, 126940), (220, 125786), (436, 63470), (440, 62893), (545, 50776), (577, 47960), (872, 31735), (1090, 25388), (1154, 23980), (1199, 23080), (2180, 12694), (2308, 11990), (2398, 11540), (2885, 9592), (4360, 6347), (4616, 5995), (4796, 5770)]