10139420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8311}}^1$

素因数の和:8381

約数の個数: 24

約数和(自身を含む): 21644448

約数和(自身を除く): 11505028

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 8311, 16622, 33244, 41555, 83110, 166220, 506971, 1013942, 2027884, 2534855, 5069710, 10139420]

約数ペア:

[(1, 10139420), (2, 5069710), (4, 2534855), (5, 2027884), (10, 1013942), (20, 506971), (61, 166220), (122, 83110), (244, 41555), (305, 33244), (610, 16622), (1220, 8311)]