99570280

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1993}}^1$

素因数の和:3253

約数の個数: 32

約数和(自身を含む): 224325000

約数和(自身を除く): 124754720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 1993, 2498, 3986, 4996, 6245, 7972, 9965, 9992, 12490, 15944, 19930, 24980, 39860, 49960, 79720, 2489257, 4978514, 9957028, 12446285, 19914056, 24892570, 49785140, 99570280]

約数ペア:

[(1, 99570280), (2, 49785140), (4, 24892570), (5, 19914056), (8, 12446285), (10, 9957028), (20, 4978514), (40, 2489257), (1249, 79720), (1993, 49960), (2498, 39860), (3986, 24980), (4996, 19930), (6245, 15944), (7972, 12490), (9965, 9992)]