2741680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 6530832

約数和(自身を除く): 3789152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 797, 860, 1594, 1720, 3188, 3440, 3985, 6376, 7970, 12752, 15940, 31880, 34271, 63760, 68542, 137084, 171355, 274168, 342710, 548336, 685420, 1370840, 2741680]

約数ペア:

[(1, 2741680), (2, 1370840), (4, 685420), (5, 548336), (8, 342710), (10, 274168), (16, 171355), (20, 137084), (40, 68542), (43, 63760), (80, 34271), (86, 31880), (172, 15940), (215, 12752), (344, 7970), (430, 6376), (688, 3985), (797, 3440), (860, 3188), (1594, 1720)]