2580821680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{99877}}^1$

素因数の和:99926

約数の個数: 80

約数和(自身を含む): 6687830880

約数和(自身を除く): 4107009200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 12920, 25840, 99877, 199754, 399508, 499385, 799016, 998770, 1598032, 1697909, 1897663, 1997540, 3395818, 3795326, 3995080, 6791636, 7590652, 7990160, 8489545, 9488315, 13583272, 15181304, 16979090, 18976630, 27166544, 30362608, 32260271, 33958180, 37953260, 64520542, 67916360, 75906520, 129041084, 135832720, 151813040, 161301355, 258082168, 322602710, 516164336, 645205420, 1290410840, 2580821680]

約数ペア:

[(1, 2580821680), (2, 1290410840), (4, 645205420), (5, 516164336), (8, 322602710), (10, 258082168), (16, 161301355), (17, 151813040), (19, 135832720), (20, 129041084), (34, 75906520), (38, 67916360), (40, 64520542), (68, 37953260), (76, 33958180), (80, 32260271), (85, 30362608), (95, 27166544), (136, 18976630), (152, 16979090), (170, 15181304), (190, 13583272), (272, 9488315), (304, 8489545), (323, 7990160), (340, 7590652), (380, 6791636), (646, 3995080), (680, 3795326), (760, 3395818), (1292, 1997540), (1360, 1897663), (1520, 1697909), (1615, 1598032), (2584, 998770), (3230, 799016), (5168, 499385), (6460, 399508), (12920, 199754), (25840, 99877)]