121178440

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{10781}}^1$

素因数の和:11073

約数の個数: 32

約数和(自身を含む): 273647160

約数和(自身を除く): 152468720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 10781, 11240, 21562, 43124, 53905, 86248, 107810, 215620, 431240, 3029461, 6058922, 12117844, 15147305, 24235688, 30294610, 60589220, 121178440]

約数ペア:

[(1, 121178440), (2, 60589220), (4, 30294610), (5, 24235688), (8, 15147305), (10, 12117844), (20, 6058922), (40, 3029461), (281, 431240), (562, 215620), (1124, 107810), (1405, 86248), (2248, 53905), (2810, 43124), (5620, 21562), (10781, 11240)]