28910750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{10513}}^1$

素因数の和:10541

約数の個数: 32

約数和(自身を含む): 59046624

約数和(自身を除く): 30135874

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 10513, 21026, 52565, 105130, 115643, 231286, 262825, 525650, 578215, 1156430, 1314125, 2628250, 2891075, 5782150, 14455375, 28910750]

約数ペア:

[(1, 28910750), (2, 14455375), (5, 5782150), (10, 2891075), (11, 2628250), (22, 1314125), (25, 1156430), (50, 578215), (55, 525650), (110, 262825), (125, 231286), (250, 115643), (275, 105130), (550, 52565), (1375, 21026), (2750, 10513)]