19660528075

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1229}}^1\times {\mathrm{15607}}^1$

素因数の和:16887

約数の個数: 24

約数和(自身を含む): 24995587680

約数和(自身を除く): 5335059605

約数列:

[1, 5, 25, 41, 205, 1025, 1229, 6145, 15607, 30725, 50389, 78035, 251945, 390175, 639887, 1259725, 3199435, 15997175, 19181003, 95905015, 479525075, 786421123, 3932105615, 19660528075]

約数ペア:

[(1, 19660528075), (5, 3932105615), (25, 786421123), (41, 479525075), (205, 95905015), (1025, 19181003), (1229, 15997175), (6145, 3199435), (15607, 1259725), (30725, 639887), (50389, 390175), (78035, 251945)]