51272240

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1567}}^1$

素因数の和:1989

約数の個数: 40

約数和(自身を含む): 119575680

約数和(自身を除く): 68303440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1567, 1636, 2045, 3134, 3272, 4090, 6268, 6544, 7835, 8180, 12536, 15670, 16360, 25072, 31340, 32720, 62680, 125360, 640903, 1281806, 2563612, 3204515, 5127224, 6409030, 10254448, 12818060, 25636120, 51272240]

約数ペア:

[(1, 51272240), (2, 25636120), (4, 12818060), (5, 10254448), (8, 6409030), (10, 5127224), (16, 3204515), (20, 2563612), (40, 1281806), (80, 640903), (409, 125360), (818, 62680), (1567, 32720), (1636, 31340), (2045, 25072), (3134, 16360), (3272, 15670), (4090, 12536), (6268, 8180), (6544, 7835)]