28618720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13759}}^1$

素因数の和:13787

約数の個数: 48

約数和(自身を含む): 72817920

約数和(自身を除く): 44199200

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, 13759, 27518, 55036, 68795, 110072, 137590, 178867, 220144, 275180, 357734, 440288, 550360, 715468, 894335, 1100720, 1430936, 1788670, 2201440, 2861872, 3577340, 5723744, 7154680, 14309360, 28618720]

約数ペア:

[(1, 28618720), (2, 14309360), (4, 7154680), (5, 5723744), (8, 3577340), (10, 2861872), (13, 2201440), (16, 1788670), (20, 1430936), (26, 1100720), (32, 894335), (40, 715468), (52, 550360), (65, 440288), (80, 357734), (104, 275180), (130, 220144), (160, 178867), (208, 137590), (260, 110072), (416, 68795), (520, 55036), (1040, 27518), (2080, 13759)]