804920008040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{275657537}}^1$

素因数の和:275657621

約数の個数: 32

約数和(自身を含む): 1835879203080

約数和(自身を除く): 1030959195040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 275657537, 551315074, 1102630148, 1378287685, 2205260296, 2756575370, 5513150740, 11026301480, 20123000201, 40246000402, 80492000804, 100615001005, 160984001608, 201230002010, 402460004020, 804920008040]

約数ペア:

[(1, 804920008040), (2, 402460004020), (4, 201230002010), (5, 160984001608), (8, 100615001005), (10, 80492000804), (20, 40246000402), (40, 20123000201), (73, 11026301480), (146, 5513150740), (292, 2756575370), (365, 2205260296), (584, 1378287685), (730, 1102630148), (1460, 551315074), (2920, 275657537)]