8854840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 21231360

約数和(自身を除く): 12376520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 193, 248, 296, 310, 370, 386, 620, 740, 772, 965, 1147, 1240, 1480, 1544, 1930, 2294, 3860, 4588, 5735, 5983, 7141, 7720, 9176, 11470, 11966, 14282, 22940, 23932, 28564, 29915, 35705, 45880, 47864, 57128, 59830, 71410, 119660, 142820, 221371, 239320, 285640, 442742, 885484, 1106855, 1770968, 2213710, 4427420, 8854840]

約数ペア:

[(1, 8854840), (2, 4427420), (4, 2213710), (5, 1770968), (8, 1106855), (10, 885484), (20, 442742), (31, 285640), (37, 239320), (40, 221371), (62, 142820), (74, 119660), (124, 71410), (148, 59830), (155, 57128), (185, 47864), (193, 45880), (248, 35705), (296, 29915), (310, 28564), (370, 23932), (386, 22940), (620, 14282), (740, 11966), (772, 11470), (965, 9176), (1147, 7720), (1240, 7141), (1480, 5983), (1544, 5735), (1930, 4588), (2294, 3860)]