2019960280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{168893}}^1$

素因数の和:168940

約数の個数: 64

約数和(自身を含む): 5107354560

約数和(自身を除く): 3087394280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 11960, 168893, 337786, 675572, 844465, 1351144, 1688930, 2195609, 3377860, 3884539, 4391218, 6755720, 7769078, 8782436, 10978045, 15538156, 17564872, 19422695, 21956090, 31076312, 38845390, 43912180, 50499007, 77690780, 87824360, 100998014, 155381560, 201996028, 252495035, 403992056, 504990070, 1009980140, 2019960280]

約数ペア:

[(1, 2019960280), (2, 1009980140), (4, 504990070), (5, 403992056), (8, 252495035), (10, 201996028), (13, 155381560), (20, 100998014), (23, 87824360), (26, 77690780), (40, 50499007), (46, 43912180), (52, 38845390), (65, 31076312), (92, 21956090), (104, 19422695), (115, 17564872), (130, 15538156), (184, 10978045), (230, 8782436), (260, 7769078), (299, 6755720), (460, 4391218), (520, 3884539), (598, 3377860), (920, 2195609), (1196, 1688930), (1495, 1351144), (2392, 844465), (2990, 675572), (5980, 337786), (11960, 168893)]