42162640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 107243136

約数和(自身を除く): 65080496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 571, 710, 923, 1040, 1136, 1142, 1420, 1846, 2284, 2840, 2855, 3692, 4568, 4615, 5680, 5710, 7384, 7423, 9136, 9230, 11420, 14768, 14846, 18460, 22840, 29692, 36920, 37115, 40541, 45680, 59384, 73840, 74230, 81082, 118768, 148460, 162164, 202705, 296920, 324328, 405410, 527033, 593840, 648656, 810820, 1054066, 1621640, 2108132, 2635165, 3243280, 4216264, 5270330, 8432528, 10540660, 21081320, 42162640]

約数ペア:

[(1, 42162640), (2, 21081320), (4, 10540660), (5, 8432528), (8, 5270330), (10, 4216264), (13, 3243280), (16, 2635165), (20, 2108132), (26, 1621640), (40, 1054066), (52, 810820), (65, 648656), (71, 593840), (80, 527033), (104, 405410), (130, 324328), (142, 296920), (208, 202705), (260, 162164), (284, 148460), (355, 118768), (520, 81082), (568, 74230), (571, 73840), (710, 59384), (923, 45680), (1040, 40541), (1136, 37115), (1142, 36920), (1420, 29692), (1846, 22840), (2284, 18460), (2840, 14846), (2855, 14768), (3692, 11420), (4568, 9230), (4615, 9136), (5680, 7423), (5710, 7384)]