55003960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3049}}^1$

素因数の和:3112

約数の個数: 64

約数和(自身を含む): 138348000

約数和(自身を除く): 83344040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3049, 3608, 4510, 6098, 9020, 12196, 15245, 18040, 24392, 30490, 33539, 60980, 67078, 121960, 125009, 134156, 167695, 250018, 268312, 335390, 500036, 625045, 670780, 1000072, 1250090, 1341560, 1375099, 2500180, 2750198, 5000360, 5500396, 6875495, 11000792, 13750990, 27501980, 55003960]

約数ペア:

[(1, 55003960), (2, 27501980), (4, 13750990), (5, 11000792), (8, 6875495), (10, 5500396), (11, 5000360), (20, 2750198), (22, 2500180), (40, 1375099), (41, 1341560), (44, 1250090), (55, 1000072), (82, 670780), (88, 625045), (110, 500036), (164, 335390), (205, 268312), (220, 250018), (328, 167695), (410, 134156), (440, 125009), (451, 121960), (820, 67078), (902, 60980), (1640, 33539), (1804, 30490), (2255, 24392), (3049, 18040), (3608, 15245), (4510, 12196), (6098, 9020)]