51738140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8009}}^1$

素因数の和:8054

約数の個数: 48

約数和(自身を含む): 121111200

約数和(自身を除く): 69373060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 8009, 16018, 32036, 40045, 80090, 136153, 152171, 160180, 272306, 304342, 544612, 608684, 680765, 760855, 1361530, 1521710, 2586907, 2723060, 3043420, 5173814, 10347628, 12934535, 25869070, 51738140]

約数ペア:

[(1, 51738140), (2, 25869070), (4, 12934535), (5, 10347628), (10, 5173814), (17, 3043420), (19, 2723060), (20, 2586907), (34, 1521710), (38, 1361530), (68, 760855), (76, 680765), (85, 608684), (95, 544612), (170, 304342), (190, 272306), (323, 160180), (340, 152171), (380, 136153), (646, 80090), (1292, 40045), (1615, 32036), (3230, 16018), (6460, 8009)]