201584560

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19841}}^1$

素因数の和:19981

約数の個数: 40

約数和(自身を含む): 472398336

約数和(自身を除く): 270813776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 19841, 39682, 79364, 99205, 158728, 198410, 317456, 396820, 793640, 1587280, 2519807, 5039614, 10079228, 12599035, 20158456, 25198070, 40316912, 50396140, 100792280, 201584560]

約数ペア:

[(1, 201584560), (2, 100792280), (4, 50396140), (5, 40316912), (8, 25198070), (10, 20158456), (16, 12599035), (20, 10079228), (40, 5039614), (80, 2519807), (127, 1587280), (254, 793640), (508, 396820), (635, 317456), (1016, 198410), (1270, 158728), (2032, 99205), (2540, 79364), (5080, 39682), (10160, 19841)]