158703640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{40903}}^1$

素因数の和:41011

約数の個数: 32

約数和(自身を含む): 360773280

約数和(自身を除く): 202069640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 40903, 81806, 163612, 204515, 327224, 409030, 818060, 1636120, 3967591, 7935182, 15870364, 19837955, 31740728, 39675910, 79351820, 158703640]

約数ペア:

[(1, 158703640), (2, 79351820), (4, 39675910), (5, 31740728), (8, 19837955), (10, 15870364), (20, 7935182), (40, 3967591), (97, 1636120), (194, 818060), (388, 409030), (485, 327224), (776, 204515), (970, 163612), (1940, 81806), (3880, 40903)]