2578720

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 6205248

約数和(自身を除く): 3626528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 227, 284, 355, 454, 568, 710, 908, 1135, 1136, 1420, 1816, 2270, 2272, 2840, 3632, 4540, 5680, 7264, 9080, 11360, 16117, 18160, 32234, 36320, 64468, 80585, 128936, 161170, 257872, 322340, 515744, 644680, 1289360, 2578720]

約数ペア:

[(1, 2578720), (2, 1289360), (4, 644680), (5, 515744), (8, 322340), (10, 257872), (16, 161170), (20, 128936), (32, 80585), (40, 64468), (71, 36320), (80, 32234), (142, 18160), (160, 16117), (227, 11360), (284, 9080), (355, 7264), (454, 5680), (568, 4540), (710, 3632), (908, 2840), (1135, 2272), (1136, 2270), (1420, 1816)]