205201020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26107}}^1$

素因数の和:26250

約数の個数: 48

約数和(自身を含む): 578971008

約数和(自身を除く): 373769988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 26107, 52214, 78321, 104428, 130535, 156642, 261070, 313284, 391605, 522140, 783210, 1566420, 3420017, 6840034, 10260051, 13680068, 17100085, 20520102, 34200170, 41040204, 51300255, 68400340, 102600510, 205201020]

約数ペア:

[(1, 205201020), (2, 102600510), (3, 68400340), (4, 51300255), (5, 41040204), (6, 34200170), (10, 20520102), (12, 17100085), (15, 13680068), (20, 10260051), (30, 6840034), (60, 3420017), (131, 1566420), (262, 783210), (393, 522140), (524, 391605), (655, 313284), (786, 261070), (1310, 156642), (1572, 130535), (1965, 104428), (2620, 78321), (3930, 52214), (7860, 26107)]