28627040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13763}}^1$

素因数の和:13791

約数の個数: 48

約数和(自身を含む): 72839088

約数和(自身を除く): 44212048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 13763, 27526, 55052, 68815, 110104, 137630, 178919, 220208, 275260, 357838, 440416, 550520, 715676, 894595, 1101040, 1431352, 1789190, 2202080, 2862704, 3578380, 5725408, 7156760, 14313520, 28627040]

約数ペア:

[(1, 28627040), (2, 14313520), (4, 7156760), (5, 5725408), (8, 3578380), (10, 2862704), (13, 2202080), (16, 1789190), (20, 1431352), (26, 1101040), (32, 894595), (40, 715676), (52, 550520), (65, 440416), (80, 357838), (104, 275260), (130, 220208), (160, 178919), (208, 137630), (260, 110104), (416, 68815), (520, 55052), (1040, 27526), (2080, 13763)]