205930400

素因数分解:

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

素因数の和:19834

約数の個数: 72

約数和(自身を含む): 541426284

約数和(自身を除く): 335495884

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 19801, 39602, 79204, 99005, 158408, 198010, 257413, 316816, 396020, 495025, 514826, 633632, 792040, 990050, 1029652, 1287065, 1584080, 1980100, 2059304, 2574130, 3168160, 3960200, 4118608, 5148260, 6435325, 7920400, 8237216, 10296520, 12870650, 15840800, 20593040, 25741300, 41186080, 51482600, 102965200, 205930400]

約数ペア:

[(1, 205930400), (2, 102965200), (4, 51482600), (5, 41186080), (8, 25741300), (10, 20593040), (13, 15840800), (16, 12870650), (20, 10296520), (25, 8237216), (26, 7920400), (32, 6435325), (40, 5148260), (50, 4118608), (52, 3960200), (65, 3168160), (80, 2574130), (100, 2059304), (104, 1980100), (130, 1584080), (160, 1287065), (200, 1029652), (208, 990050), (260, 792040), (325, 633632), (400, 514826), (416, 495025), (520, 396020), (650, 316816), (800, 257413), (1040, 198010), (1300, 158408), (2080, 99005), (2600, 79204), (5200, 39602), (10400, 19801)]