28834520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 77308560

約数和(自身を除く): 48474040

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 71, 88, 104, 110, 130, 142, 143, 220, 260, 284, 286, 355, 440, 520, 568, 572, 710, 715, 781, 923, 1144, 1420, 1430, 1562, 1846, 2840, 2860, 3124, 3692, 3905, 4615, 5041, 5720, 6248, 7384, 7810, 9230, 10082, 10153, 15620, 18460, 20164, 20306, 25205, 31240, 36920, 40328, 40612, 50410, 50765, 55451, 65533, 81224, 100820, 101530, 110902, 131066, 201640, 203060, 221804, 262132, 277255, 327665, 406120, 443608, 524264, 554510, 655330, 720863, 1109020, 1310660, 1441726, 2218040, 2621320, 2883452, 3604315, 5766904, 7208630, 14417260, 28834520]

約数ペア:

[(1, 28834520), (2, 14417260), (4, 7208630), (5, 5766904), (8, 3604315), (10, 2883452), (11, 2621320), (13, 2218040), (20, 1441726), (22, 1310660), (26, 1109020), (40, 720863), (44, 655330), (52, 554510), (55, 524264), (65, 443608), (71, 406120), (88, 327665), (104, 277255), (110, 262132), (130, 221804), (142, 203060), (143, 201640), (220, 131066), (260, 110902), (284, 101530), (286, 100820), (355, 81224), (440, 65533), (520, 55451), (568, 50765), (572, 50410), (710, 40612), (715, 40328), (781, 36920), (923, 31240), (1144, 25205), (1420, 20306), (1430, 20164), (1562, 18460), (1846, 15620), (2840, 10153), (2860, 10082), (3124, 9230), (3692, 7810), (3905, 7384), (4615, 6248), (5041, 5720)]