61178440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12043}}^1$

素因数の和:12181

約数の個数: 32

約数和(自身を含む): 138746880

約数和(自身を除く): 77568440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 12043, 24086, 48172, 60215, 96344, 120430, 240860, 481720, 1529461, 3058922, 6117844, 7647305, 12235688, 15294610, 30589220, 61178440]

約数ペア:

[(1, 61178440), (2, 30589220), (4, 15294610), (5, 12235688), (8, 7647305), (10, 6117844), (20, 3058922), (40, 1529461), (127, 481720), (254, 240860), (508, 120430), (635, 96344), (1016, 60215), (1270, 48172), (2540, 24086), (5080, 12043)]