86466640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 219735936

約数和(自身を除く): 133269296

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, 710, 923, 1040, 1136, 1171, 1420, 1846, 2342, 2840, 3692, 4615, 4684, 5680, 5855, 7384, 9230, 9368, 11710, 14768, 15223, 18460, 18736, 23420, 30446, 36920, 46840, 60892, 73840, 76115, 83141, 93680, 121784, 152230, 166282, 243568, 304460, 332564, 415705, 608920, 665128, 831410, 1080833, 1217840, 1330256, 1662820, 2161666, 3325640, 4323332, 5404165, 6651280, 8646664, 10808330, 17293328, 21616660, 43233320, 86466640]

約数ペア:

[(1, 86466640), (2, 43233320), (4, 21616660), (5, 17293328), (8, 10808330), (10, 8646664), (13, 6651280), (16, 5404165), (20, 4323332), (26, 3325640), (40, 2161666), (52, 1662820), (65, 1330256), (71, 1217840), (80, 1080833), (104, 831410), (130, 665128), (142, 608920), (208, 415705), (260, 332564), (284, 304460), (355, 243568), (520, 166282), (568, 152230), (710, 121784), (923, 93680), (1040, 83141), (1136, 76115), (1171, 73840), (1420, 60892), (1846, 46840), (2342, 36920), (2840, 30446), (3692, 23420), (4615, 18736), (4684, 18460), (5680, 15223), (5855, 14768), (7384, 11710), (9230, 9368)]