80100860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{787}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 192751104

約数和(自身を除く): 112650244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 727, 787, 1454, 1574, 2908, 3148, 3635, 3935, 5089, 5509, 7270, 7870, 10178, 11018, 14540, 15740, 20356, 22036, 25445, 27545, 50890, 55090, 101780, 110180, 572149, 1144298, 2288596, 2860745, 4005043, 5721490, 8010086, 11442980, 16020172, 20025215, 40050430, 80100860]

約数ペア:

[(1, 80100860), (2, 40050430), (4, 20025215), (5, 16020172), (7, 11442980), (10, 8010086), (14, 5721490), (20, 4005043), (28, 2860745), (35, 2288596), (70, 1144298), (140, 572149), (727, 110180), (787, 101780), (1454, 55090), (1574, 50890), (2908, 27545), (3148, 25445), (3635, 22036), (3935, 20356), (5089, 15740), (5509, 14540), (7270, 11018), (7870, 10178)]