389616284480

素因数分解:

$2^6\times 5^1\times {\mathrm{1217550889}}^1$

素因数の和:1217550906

約数の個数: 28

約数和(自身を含む): 927773778180

約数和(自身を除く): 538157493700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1217550889, 2435101778, 4870203556, 6087754445, 9740407112, 12175508890, 19480814224, 24351017780, 38961628448, 48702035560, 77923256896, 97404071120, 194808142240, 389616284480]

約数ペア:

[(1, 389616284480), (2, 194808142240), (4, 97404071120), (5, 77923256896), (8, 48702035560), (10, 38961628448), (16, 24351017780), (20, 19480814224), (32, 12175508890), (40, 9740407112), (64, 6087754445), (80, 4870203556), (160, 2435101778), (320, 1217550889)]