200200325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{641}}^1$

素因数の和:726

約数の個数: 36

約数和(自身を含む): 276677604

約数和(自身を除く): 76477279

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 641, 775, 961, 2015, 3205, 4805, 8333, 10075, 12493, 16025, 19871, 24025, 41665, 62465, 99355, 208325, 258323, 312325, 496775, 616001, 1291615, 3080005, 6458075, 8008013, 15400025, 40040065, 200200325]

約数ペア:

[(1, 200200325), (5, 40040065), (13, 15400025), (25, 8008013), (31, 6458075), (65, 3080005), (155, 1291615), (325, 616001), (403, 496775), (641, 312325), (775, 258323), (961, 208325), (2015, 99355), (3205, 62465), (4805, 41665), (8333, 24025), (10075, 19871), (12493, 16025)]