80006720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13159}}^1$

素因数の和:13195

約数の個数: 56

約数和(自身を含む): 200558400

約数和(自身を除く): 120551680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 13159, 26318, 52636, 65795, 105272, 131590, 210544, 250021, 263180, 421088, 500042, 526360, 842176, 1000084, 1052720, 1250105, 2000168, 2105440, 2500210, 4000336, 4210880, 5000420, 8000672, 10000840, 16001344, 20001680, 40003360, 80006720]

約数ペア:

[(1, 80006720), (2, 40003360), (4, 20001680), (5, 16001344), (8, 10000840), (10, 8000672), (16, 5000420), (19, 4210880), (20, 4000336), (32, 2500210), (38, 2105440), (40, 2000168), (64, 1250105), (76, 1052720), (80, 1000084), (95, 842176), (152, 526360), (160, 500042), (190, 421088), (304, 263180), (320, 250021), (380, 210544), (608, 131590), (760, 105272), (1216, 65795), (1520, 52636), (3040, 26318), (6080, 13159)]