203906320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{35899}}^1$

素因数の和:35983

約数の個数: 40

約数和(自身を含む): 480772800

約数和(自身を除く): 276866480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 35899, 71798, 143596, 179495, 287192, 358990, 574384, 717980, 1435960, 2548829, 2871920, 5097658, 10195316, 12744145, 20390632, 25488290, 40781264, 50976580, 101953160, 203906320]

約数ペア:

[(1, 203906320), (2, 101953160), (4, 50976580), (5, 40781264), (8, 25488290), (10, 20390632), (16, 12744145), (20, 10195316), (40, 5097658), (71, 2871920), (80, 2548829), (142, 1435960), (284, 717980), (355, 574384), (568, 358990), (710, 287192), (1136, 179495), (1420, 143596), (2840, 71798), (5680, 35899)]