812240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 2249856

約数和(自身を除く): 1437616

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 71, 80, 88, 104, 110, 130, 142, 143, 176, 208, 220, 260, 284, 286, 355, 440, 520, 568, 572, 710, 715, 781, 880, 923, 1040, 1136, 1144, 1420, 1430, 1562, 1846, 2288, 2840, 2860, 3124, 3692, 3905, 4615, 5680, 5720, 6248, 7384, 7810, 9230, 10153, 11440, 12496, 14768, 15620, 18460, 20306, 31240, 36920, 40612, 50765, 62480, 73840, 81224, 101530, 162448, 203060, 406120, 812240]

約数ペア:

[(1, 812240), (2, 406120), (4, 203060), (5, 162448), (8, 101530), (10, 81224), (11, 73840), (13, 62480), (16, 50765), (20, 40612), (22, 36920), (26, 31240), (40, 20306), (44, 18460), (52, 15620), (55, 14768), (65, 12496), (71, 11440), (80, 10153), (88, 9230), (104, 7810), (110, 7384), (130, 6248), (142, 5720), (143, 5680), (176, 4615), (208, 3905), (220, 3692), (260, 3124), (284, 2860), (286, 2840), (355, 2288), (440, 1846), (520, 1562), (568, 1430), (572, 1420), (710, 1144), (715, 1136), (781, 1040), (880, 923)]