8027800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 21092400

約数和(自身を除く): 13064600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 41, 44, 50, 55, 82, 88, 89, 100, 110, 164, 178, 200, 205, 220, 275, 328, 356, 410, 440, 445, 451, 550, 712, 820, 890, 902, 979, 1025, 1100, 1640, 1780, 1804, 1958, 2050, 2200, 2225, 2255, 3560, 3608, 3649, 3916, 4100, 4450, 4510, 4895, 7298, 7832, 8200, 8900, 9020, 9790, 11275, 14596, 17800, 18040, 18245, 19580, 22550, 24475, 29192, 36490, 39160, 40139, 45100, 48950, 72980, 80278, 90200, 91225, 97900, 145960, 160556, 182450, 195800, 200695, 321112, 364900, 401390, 729800, 802780, 1003475, 1605560, 2006950, 4013900, 8027800]

約数ペア:

[(1, 8027800), (2, 4013900), (4, 2006950), (5, 1605560), (8, 1003475), (10, 802780), (11, 729800), (20, 401390), (22, 364900), (25, 321112), (40, 200695), (41, 195800), (44, 182450), (50, 160556), (55, 145960), (82, 97900), (88, 91225), (89, 90200), (100, 80278), (110, 72980), (164, 48950), (178, 45100), (200, 40139), (205, 39160), (220, 36490), (275, 29192), (328, 24475), (356, 22550), (410, 19580), (440, 18245), (445, 18040), (451, 17800), (550, 14596), (712, 11275), (820, 9790), (890, 9020), (902, 8900), (979, 8200), (1025, 7832), (1100, 7298), (1640, 4895), (1780, 4510), (1804, 4450), (1958, 4100), (2050, 3916), (2200, 3649), (2225, 3608), (2255, 3560)]