12870650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19801}}^1$

素因数の和:19826

約数の個数: 24

約数和(自身を含む): 25782204

約数和(自身を除く): 12911554

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19801, 39602, 99005, 198010, 257413, 495025, 514826, 990050, 1287065, 2574130, 6435325, 12870650]

約数ペア:

[(1, 12870650), (2, 6435325), (5, 2574130), (10, 1287065), (13, 990050), (25, 514826), (26, 495025), (50, 257413), (65, 198010), (130, 99005), (325, 39602), (650, 19801)]