79500520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:946

約数の個数: 64

約数和(自身を含む): 196136640

約数和(自身を除く): 116636120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 281, 440, 562, 643, 1124, 1286, 1405, 2248, 2572, 2810, 3091, 3215, 5144, 5620, 6182, 6430, 7073, 11240, 12364, 12860, 14146, 15455, 24728, 25720, 28292, 30910, 35365, 56584, 61820, 70730, 123640, 141460, 180683, 282920, 361366, 722732, 903415, 1445464, 1806830, 1987513, 3613660, 3975026, 7227320, 7950052, 9937565, 15900104, 19875130, 39750260, 79500520]

約数ペア:

[(1, 79500520), (2, 39750260), (4, 19875130), (5, 15900104), (8, 9937565), (10, 7950052), (11, 7227320), (20, 3975026), (22, 3613660), (40, 1987513), (44, 1806830), (55, 1445464), (88, 903415), (110, 722732), (220, 361366), (281, 282920), (440, 180683), (562, 141460), (643, 123640), (1124, 70730), (1286, 61820), (1405, 56584), (2248, 35365), (2572, 30910), (2810, 28292), (3091, 25720), (3215, 24728), (5144, 15455), (5620, 14146), (6182, 12860), (6430, 12364), (7073, 11240)]