56390440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13687}}^1$

素因数の和:13801

約数の個数: 32

約数和(自身を含む): 128119680

約数和(自身を除く): 71729240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 13687, 27374, 54748, 68435, 109496, 136870, 273740, 547480, 1409761, 2819522, 5639044, 7048805, 11278088, 14097610, 28195220, 56390440]

約数ペア:

[(1, 56390440), (2, 28195220), (4, 14097610), (5, 11278088), (8, 7048805), (10, 5639044), (20, 2819522), (40, 1409761), (103, 547480), (206, 273740), (412, 136870), (515, 109496), (824, 68435), (1030, 54748), (2060, 27374), (4120, 13687)]