22668880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 57746304

約数和(自身を除く): 35077424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 307, 355, 520, 568, 614, 710, 923, 1040, 1136, 1228, 1420, 1535, 1846, 2456, 2840, 3070, 3692, 3991, 4615, 4912, 5680, 6140, 7384, 7982, 9230, 12280, 14768, 15964, 18460, 19955, 21797, 24560, 31928, 36920, 39910, 43594, 63856, 73840, 79820, 87188, 108985, 159640, 174376, 217970, 283361, 319280, 348752, 435940, 566722, 871880, 1133444, 1416805, 1743760, 2266888, 2833610, 4533776, 5667220, 11334440, 22668880]

約数ペア:

[(1, 22668880), (2, 11334440), (4, 5667220), (5, 4533776), (8, 2833610), (10, 2266888), (13, 1743760), (16, 1416805), (20, 1133444), (26, 871880), (40, 566722), (52, 435940), (65, 348752), (71, 319280), (80, 283361), (104, 217970), (130, 174376), (142, 159640), (208, 108985), (260, 87188), (284, 79820), (307, 73840), (355, 63856), (520, 43594), (568, 39910), (614, 36920), (710, 31928), (923, 24560), (1040, 21797), (1136, 19955), (1228, 18460), (1420, 15964), (1535, 14768), (1846, 12280), (2456, 9230), (2840, 7982), (3070, 7384), (3692, 6140), (3991, 5680), (4615, 4912)]