27988400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6361}}^1$

素因数の和:6390

約数の個数: 60

約数和(自身を含む): 73366584

約数和(自身を除く): 45378184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 6361, 12722, 25444, 31805, 50888, 63610, 69971, 101776, 127220, 139942, 159025, 254440, 279884, 318050, 349855, 508880, 559768, 636100, 699710, 1119536, 1272200, 1399420, 1749275, 2544400, 2798840, 3498550, 5597680, 6997100, 13994200, 27988400]

約数ペア:

[(1, 27988400), (2, 13994200), (4, 6997100), (5, 5597680), (8, 3498550), (10, 2798840), (11, 2544400), (16, 1749275), (20, 1399420), (22, 1272200), (25, 1119536), (40, 699710), (44, 636100), (50, 559768), (55, 508880), (80, 349855), (88, 318050), (100, 279884), (110, 254440), (176, 159025), (200, 139942), (220, 127220), (275, 101776), (400, 69971), (440, 63610), (550, 50888), (880, 31805), (1100, 25444), (2200, 12722), (4400, 6361)]