26807440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:808

約数の個数: 80

約数和(自身を含む): 69745536

約数和(自身を除く): 42938096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 743, 820, 880, 902, 1486, 1640, 1804, 2255, 2972, 3280, 3608, 3715, 4510, 5944, 7216, 7430, 8173, 9020, 11888, 14860, 16346, 18040, 29720, 30463, 32692, 36080, 40865, 59440, 60926, 65384, 81730, 121852, 130768, 152315, 163460, 243704, 304630, 326920, 335093, 487408, 609260, 653840, 670186, 1218520, 1340372, 1675465, 2437040, 2680744, 3350930, 5361488, 6701860, 13403720, 26807440]

約数ペア:

[(1, 26807440), (2, 13403720), (4, 6701860), (5, 5361488), (8, 3350930), (10, 2680744), (11, 2437040), (16, 1675465), (20, 1340372), (22, 1218520), (40, 670186), (41, 653840), (44, 609260), (55, 487408), (80, 335093), (82, 326920), (88, 304630), (110, 243704), (164, 163460), (176, 152315), (205, 130768), (220, 121852), (328, 81730), (410, 65384), (440, 60926), (451, 59440), (656, 40865), (743, 36080), (820, 32692), (880, 30463), (902, 29720), (1486, 18040), (1640, 16346), (1804, 14860), (2255, 11888), (2972, 9020), (3280, 8173), (3608, 7430), (3715, 7216), (4510, 5944)]